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New Coleoptera records from New Brunswick, Canada: Dryopidae, Elmidae, Psephenidae, and Ptilodactylidae.
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PMID:  22539886     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
We report five new species records for New Brunswick, Canada from the Coleoptera families Dryopidae, Elimidae, Psephenidae, and Ptilodactylidae. Dryops viennensis (Heer) (Dryopidae) and Promoresia elegans (LeConte) (Elmidae) are added to the faunal list for New Brunswick and the Maritime provinces. Two Psephenidae species, Ectopria nervosa (Melsheimer) and Ectopria thoracica (Ziegler) are reported for the first time for New Brunswick, and the latter species is also new for the Maritime provinces. Anchytarsus bicolor (Melsheimer) and the family Ptilodactylidae are newly recorded for New Brunswick and the Maritime provinces. Collection, habitat data, and distribution maps are presented for all of these species.
Authors:
Reginald P Webster; Ian Demerchant
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Publication Detail:
Type:  Journal Article     Date:  2012-04-04
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Title:  ZooKeys     Volume:  -     ISSN:  1313-2970     ISO Abbreviation:  Zookeys     Publication Date:  2012  
Date Detail:
Created Date:  2012-04-27     Completed Date:  2012-08-23     Revised Date:  2013-05-29    
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Nlm Unique ID:  101497933     Medline TA:  Zookeys     Country:  Bulgaria    
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Languages:  eng     Pagination:  67-75     Citation Subset:  -    
Affiliation:
Natural Resources Canada, Canadian Forest Service, Atlantic Forestry Centre, 1350 Regent St., P.O. Box 4000, Fredericton, NB, Canada E3B 5P7.
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Journal ID (nlm-ta): Zookeys
Journal ID (iso-abbrev): Zookeys
Journal ID (publisher-id): ZooKeys
ISSN: 1313-2989
ISSN: 1313-2970
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Reginald P. Webster, Ian DeMerchant
creative-commons-attribution:
Received Day: 28 Month: 12 Year: 2011
Accepted Day: 20 Month: 2 Year: 2012
collection publication date: Year: 2012
Electronic publication date: Day: 4 Month: 4 Year: 2012
Issue: 179
First Page: 67 Last Page: 75
ID: 3337053
PubMed Id: 22539886
DOI: 10.3897/zookeys.179.2604

New Coleoptera records from New Brunswick, Canada: Dryopidae, Elmidae, Psephenidae, and Ptilodactylidae
Reginald P. Webster1
Ian DeMerchant1
1Natural Resources Canada, Canadian Forest Service, Atlantic Forestry Centre, 1350 Regent St., P.O. Box 4000, Fredericton, NB, Canada E3B 5P7
Correspondence: Corresponding author: Reginald P. Webster (reginaldwebster@rogers.com)
[edited-by] Academic editor: R. Anderson

Introduction

This paper reports new records from New Brunswick, Canada of the [taxon-name: Coleoptera] families [taxon-name: Dryopidae], [taxon-name: Elmidae], [taxon-name: Psephenidae], and [taxon-name: Ptilodactylidae]. There have been no recent records of these families from New Brunswick or the region since the publications of LeSage (1991a, b, c, d). Sampling in New Brunswick by the first author since 2003 has yielded additional new provincial records in the above families. The purpose of this paper is to report on these new records. A brief synopsis of each family is included in the results below.


Methods and conventions
Collection methods

Various methods were employed to collect the specimens reported in this study. Details are outlined in Webster et al. (2009, Appendix). Specimens in the family [taxon-name: Ptilodactylidae] were collected as by-catch in Lindgren 12-funnel traps during a study to develop improved tools for detection of invasive species of [taxon-name: Cerambycidae]. See Webster et al. (in press) for details of the methods used to deploy funnel traps and for sample collection. A description of the habitat was recorded for all specimens collected during this survey. Locality and habitat data are presented exactly as on labels for each record. This information, as well as additional collecting notes, are summarized and discussed in the collection and habitat data section for each species.

Distribution

Distribution maps, created using ArcMap and ArcGIS, are presented for each species in New Brunswick. Every species is cited with current Distribution in Canada using the following abbreviations for the provinces. New records for New Brunswick are indicated in bold under Distribution in Canada.

Acronyms of collections examined or where specimens reside referred to in this study are as follows:

CNCCanadian National Collection of Insects, Arachnids and Nematodes, Agriculture and Agri-Food Canada, Ottawa, Ontario, Canada

NBMNew Brunswick Museum, Saint John, New Brunswick, Canada

RWCReginald P. Webster Collection, Charters Settlement, New Brunswick, Canada


Results
Species accounts

All records below are species newly recorded for New Brunswick, Canada. Species followed by ** are newly recorded from the Maritime provinces (New Brunswick, Nova Scotia, Prince Edward Island) of Canada.

The classification of the [taxon-name: Dryopidae], [taxon-name: Elmidae], [taxon-name: Ptilodactylidae], and [taxon-name: Psephenidae] follows Bouchard et al. (2011).

Family [taxon-name: Dryopidae] Billberg, 1820

In North America, the [taxon-name: Dryopidae] (long-toed water beetles) are generally aquatic as adults and terrestrial as larvae; they are herbivorous (Shepard 2002b). Adults are usually found in riffle areas of the streams in leaf packs, log jams or other stream substrates. The larvae occur in moist soil along creek margins (LeSage 1991a). Five species of [taxon-name: Dryopidae] were reported from Canada by LeSage (1991a), including the adventive [taxon-name: Dryops viennensis] (Heer). Only [taxon-name: Helichus basalis] LeConte and [taxon-name: Helichus striatus] LeConte were reported from New Brunswick by LeSage (1991d). Here, we newly record [taxon-name: Dryops viennensis] from New Brunswick (Table 1).

[taxon-name[genus: Dryops][species: viennensis]]

[taxon-authority: (Heer, 1841)**]

http://species-id.net/wiki/Dryops_viennensis

Map 1

Material examined.

New Brunswick, Carleton Co., (Jackson Falls) “Bell Forest”, [dwc:verbatimCoordinates: 46.2152°N, 67.7190°W], 21.VIII.2004, R. P. Webster, river margin, under cobbles (1, RWC); Hartland, Becaguimec Island (in Saint John River), [dwc:verbatimCoordinates: 46.3106°N, 67.5372°W], 16.IX.2006, R. P. Webster, river margin, under cobbles (1, RWC); Meduxnekeag Valley Nature Preserve, [dwc:verbatimCoordinates: 46.1888°N, 67.6762°W], 19.VII.2009, R. P. Webster, river margin, under rock (1, RWC). Madawaska Co., Baker Brook, island in Saint John River, [dwc:verbatimCoordinates: 47.2972°N, 68.5123°W], 26.VII.2006, R. Capozi & R. Webster, river margin among cobblestones near water (1, RWC); 4.0 km W of Saint-Hilaire on Saint John River, [dwc:verbatimCoordinates: 47.2875°N, 68.4586°W], 27.VII.2006, R. Capozi & R. Webster, river margin among cobblestones near water (1, RWC). Restigouche Co., confluence of Restigouche River and Stillwater Brook, 19.VIII.1999, R. Webster & D. Arseneault, rocky and gravel river margin, under cobbles (3, RWC); Jacquet River Gorge P.N.A., [dwc:verbatimCoordinates: 47.8256°N, 66.0770°W], 13.VIII.2010, R. P. Webster, large shaded brook, among cobblestones (1, NBM).

Collection and habitat data.

Nearly all adults of [taxon-name: Dryops viennensis] from New Brunswick were found along rivers and larger brooks under or among cobblestones above the waterline but close to the edge of the water. Adults collected during July, August, and September.

Distribution in Canada and Alaska.

QC, NB (LeSage 1991d).

Family [taxon-name: Elmidae] Curtis, 1830

The [taxon-name: Elmidae] (riffle beetles) occurring in eastern Canada are aquatic both in the larval and adult stages and seldom leave the water (LeSage 1991b; Shepard 2002a). Most elmids live in cool, rapid-flowing, and well-oxygenated streams, and adults and larvae feed on diatoms, encrusted algae detritus, or submerged decaying wood (LeSage and Harper 1976a; Shepard 2002a). Thirty-two species were reported from Canada, including ten species from New Brunswick (LeSage 1991b). Here, we report an additional species for the province (Table 1).

Subfamily [taxon-name: Eliminae] Curtis, 1830
[taxon-name[genus: Promoresia][species: elegans]]

[taxon-authority: (LeConte, 1852)]

http://species-id.net/wiki/Promoresia_elegans

Map 2

Material examined.

New Brunswick, Carleton Co., Jackson Falls, Bell Forest, [dwc:verbatimCoordinates: 46.2208°N, 67.7211°W], 28.VI.2005, R. P. Webster, mature hardwood forest, u.v. light (1, RWC).

Collection and habitat data.

The single adult was captured during late June at an ultraviolet light deployed in a mature hardwood forest. A small, cold, spring-fed brook occurred adjacent to the site where the light was set up.

Distribution in Canada and Alaska.

QC, NB (LeSage 1991a).

Family [taxon-name: Psephenidae] Lacordaire, 1854

The [taxon-name: Psephenidae] (the water penny beetles) is a small family of riparian species associated with brooks, streams, and rivers. The larvae, which are aquatic, are usually found on stones or on submerged wood in fast-flowing water (Shepard 2002c). The larvae of [taxon-name: Psephenu]s are flat and disk shaped, and are found on rocks in streams, and thus their common name water penny beetles (Shepard 2002c). Adults are found on rocks or foliage near streams and are often attracted to lights. Three species of [taxon-name: Psephenidae] were reported from Canada by LeSage (1991c). [taxon-name: Psephenus herricki] (DeKay) was the only species recorded from New Brunswick. [taxon-name: Ectopria thoracica] was treated as a synonym of [taxon-name: Ectopria nervosa] by LeSage (1991c). However, Brigham (1981) treated [taxon-name: Ectopria nervosa] and [taxon-name: Ectopria thoracica] as distinct species, based on differences in genitalia and coloration, and provided a key to separate members of the genus. We treat them as two distinct species, and both are newly recorded from New Brunswick (Table 1).

Subfamily [taxon-name: Eubrianacinae] Jakobson, 1913
[taxon-name[genus: Ectopria][species: nervosa]]

[taxon-authority: (Melsheimer, 1845)]

http://species-id.net/wiki/Ectopria_nervosa

Map 3

Material examined.

New Brunswick, Carleton Co., (Jackson Falls) Bell Forest, [dwc:verbatimCoordinates: 46.2208°N, 67.7211°W], 13.VII.2004, 28.VI.2005, R. P. Webster, mature hardwood forest, u.v. light (4, RWC); Meduxnekeag Valley Nature Preserve, [dwc:verbatimCoordinates: 46.1888°N, 67.6762°W], 4.VII.2005, R. P. Webster, river margin, sweeping foliage (2, RWC); same locality and collector but [dwc:verbatimCoordinates: 46.1957°N, 67.6803°W], 28.VI.2005, mixed forest, u.v. light trap (3, RWC).

Collection and habitat data.

[taxon-name: Ectopria nervosa] was collected at an ultraviolet light and in an ultraviolet light trap deployed in a mature hardwood forest and a mixed forest. Small spring-fed brooks were in the vicinity of the sites where the lights were used. Two individuals were swept from foliage along a river margin (clear, fast-flowing, rocky river). Adults were captured during June and July in New Brunswick.

Distribution in Canada and Alaska.

ON, QC, NB, NS (Downie and Arnett 1996; LeSage 1991c). There are specimens from Ontario and Quebec in the CNC (Laurent LeSage, personal communication).

[taxon-name[genus: Ectopria][species: thoracica]]

[taxon-authority: (Ziegler, 1845)**]

http://species-id.net/wiki/Ectopria_thoracica

Map 4

Material examined.

New Brunswick, York Co., Charters Settlement, [dwc:verbatimCoordinates: 45.8395°N, 66.7391°W], 17.VII.2004, 27.VII.2004, 4.VII.2005, 29.VI.2006, 27.VI.2007, R. P. Webster, mixed forest, u.v. light (9, RWC); same locality and collector but [dwc:verbatimCoordinates: 45.8430°N, 66.7275°W], 11.VII.2005, regenerating forest, beating foliage (1, RWC).

Collection and habitat data.

Adults of this species were captured at an ultraviolet light deployed adjacent to a mixed forest with a nearby medium-sized, clear, rocky stream. Adults were captured during June and July.

Distribution in Canada and Alaska.

ON, QC, NB (Downie and Arnett 1996). There are specimens from Ontario and Quebec in the CNC (Laurent LeSage, personal communication).

Family [taxon-name: Ptilodactylidae] Laporte, 1836

The [taxon-name: Ptilodactylidae] (ptilodactylid or toed-winged beetles) are primarily tropical in distribution and only three species are known from Canada (LeSage 1991d). Depending on the species, larvae occur in and feed on decaying vegetation in aquatic or damp terrestrial habitats (Ivie 2002; LeSage and Harper 1976b). Adults are taken at lights or beaten from vegetation, usually near riparian habitats (LeSage 1991d; Ivie 2002). Adult [taxon-name: Ptilodactylinae] feed on spores (Stribling and Seymour 1988), otherwise little is known about the feeding habits of other groups. No species of [taxon-name: Ptilodactylidae] were reported from New Brunswick by LeSage (1991d). Here, we report [taxon-name: Anchytarsus bicolor] (Melsheimer) and the family [taxon-name: Ptilodactylidae] for the first time for New Brunswick and the Maritime provinces (Table 1.).

Subfamily [taxon-name: Anchytarsinae] Champion, 1897
[taxon-name[genus: Anchytarsus][species: bicolor]]

[taxon-authority: (Melsheimer, 1846)**]

http://species-id.net/wiki/Anchytarsus_bicolor

Map 5

Material examined.

New Brunswick,Charlotte Co., 10 km NW of New River Beach, [dwc:verbatimCoordinates: 45.2110°N, 66.6170°W], 29.VI-16.VII.2010, R. Webster & C. MacKay, old growth eastern white cedar forest, Lindgren funnel traps (5, CNC, RWC).

Collection and habitat data.

Larvae of [taxon-name: Anchytarsus bicolor] feed on rotten wood of submerged, water-logged logs in slow-flowing streams (LeSage and Harper 1976b; Stribling 1986). Adults of this uncommon species have been collected at lights and from under leaf litter along stream margins (LeSage and Harper 1976b). Specimens from New Brunswick were captured in Lindgren funnel traps deployed near a slow-flowing stream in an old-growth eastern white cedar ([taxon-name: Thuja occidentalis] L.) swamp. Adults were captured between late June and mid July. Elsewhere, this species has been collected from May to July (Stribling 1986).

Distribution in Canada and Alaska.

ON, QC, NB (LeSage and Harper 1976b; LeSage 1991d)


Supplementary Material XML Treatment for [genus: Dryops][species: viennensis]
Click here for additional data file (zookeys.179.2604-treatment1.xml)

XML Treatment for [genus: Promoresia][species: elegans]
Click here for additional data file (zookeys.179.2604-treatment2.xml)

XML Treatment for [genus: Ectopria][species: nervosa]
Click here for additional data file (zookeys.179.2604-treatment3.xml)

XML Treatment for [genus: Ectopria][species: thoracica]
Click here for additional data file (zookeys.179.2604-treatment4.xml)

XML Treatment for [genus: Anchytarsus][species: bicolor]
Click here for additional data file (zookeys.179.2604-treatment5.xml)


Acknowledgments

We thank Caroline Simpson (AFC) for editing this manuscript and an anonymous reviewer for helpful comments. Laurent LeSage and Serge Laplante (Agriculture and Agri-Food Canada (CNC), Ottawa) are thanked for determining specimens and other invaluable assistance. Nichole Brawn, Katie Burgess, Rob Capozi, Cory Hughes, Colin MacKay, Wayne MacKay, and Jessica Price are thanked for technical assistance and collecting specimens. Natural Resources Canada Canadian Forest Service; the Canadian Food Inspection Agency; and the USDA APHIS are thanked for funding the study on early detection of invasive cerambycids, which provided specimens collected in Lindgren funnel traps. Jon Sweeney led the cerambycid study and is also thanked for reviewing an earlier version of this manuscript. We thank the New Brunswick Environmental Trust Fund and the New Brunswick Wildlife Trust Fund for funding various insect surveys over the past 7 years, and the Meduxnekeag River Association for permission to sample beetles at the Meduxnekeag Valley Nature Preserve (which includes the Bell Forest). Biological survey work in the Jacquet River Gorge Protected Natural Area was organized through the New Brunswick Museum, with external funding from the New Brunswick Environmental Trust Fund, Salamander Foundation, and the New Brunswick Wildlife Trust Fund. We thank the New Brunswick Department of Natural Resources (Fish and Wildlife Branch) for issuing permits for sampling in the Protected Natural Areas and for providing logistical support.


References
Bouchard P,Bousquet Y,Davies AE,Alonso-Zarazaga MA,Lawrence JF,Lyal CHC,Newton AF,Reid CAM,Schmitt M,Ślipiński SA,Smith ABT. (Year: 2011) Family- group names in Coleoptera (Insecta).ZooKeys 88: 1-972 doi: 10.3897/zookeys.88.80721594053
Brigham WU. (Year: 1981)Ectopria leechi, a new false water penny from the United States (Coleoptera: Eubriidae).Pan-Pacific Entomologist 57 (1): 313-320
Downie NM,Arnett RH Jr. (Year: 1996) The Beetles of Northeastern North America, Volumes 1 and 2.Sandhill Crane Press, Gainesville, Florida, 1721 pp.
Ivie MA. (Year: 2002) Family 49. Ptilodactyidae Laporte 1836. In: Arnett RH Jr,Thomas MC,Skelley PE,Frank JH. (Eds). American Beetles.Volume 2. Polyphaga: Scarabaeoidea through Curculionoidea, CRC Press, Boca Raton, Florida: 135-138
LeSage L. (Year: 1991a) Family Dryopidae: long-toed water beetles. In: Bousquet Y. (Ed). Checklist of Beetles of Canada and Alaska.Publication 1861/E, Agriculture Canada, Research Branch, Ottawa, Ontario: 171-172
LeSage L. (Year: 1991b) Family Elmidae: riffle beetles. In: Bousquet Y. (Ed). Checklist of Beetles of Canada and Alaska.Publication 1861/E, Agriculture Canada, Research Branch, Ottawa, Ontario: 172-173
LeSage L. (Year: 1991c) Family Psephenidae: water-penny beetles. In: Bousquet Y. (Ed) Checklist of Beetles of Canada and Alaska. Publication 1861/E, Agriculture Canada, Research Branch, Ottawa, Ontario, 174
LeSage L. (Year: 1991d) Family Ptilodactylidae: toed-winged beetles. In: Bousquet Y. (Ed) Checklist of Beetles of Canada and Alaska. Publication 1861/E, Agriculture Canada, Research Branch, Ottawa, Ontario, 169
LeSage L,Harper PP. (Year: 1976a) Cycles biologiques d’Elmidae (Coléoptères) de ruisseaux des Laurentides, Québec. Annales de Limnologie12: 139–174 doi: 10.1051/limn/1976005
LeSage L,Harper PP. (Year: 1976b) Notes on the life history of the toed-winged beetle Anchytarsus bicolor (Melsheimer) (Coleoptera: Ptilodactylidae).The Coleopterists Bulletin 30: 233-238
Shepard WD. (Year: 2002a) Family 43. Elmidae Curtis 1830. In: Arnett RH Jr,Thomas MC,Skelley PE,Frank JH. (Eds). American Beetles.Volume 2. Polyphaga: Scarabaeoidea through Curculionoidea, CRC Press, Boca Raton, Florida: 117-120
Shepard WD. (Year: 2002b) Family 44. Dryopidae Billberg 1820. In: Arnett RH Jr,Thomas MC,Skelley PE,Frank JH. (Eds). American Beetles.Volume 2. Polyphaga: Scarabaeoidea through Curculionoidea, CRC Press, Boca Raton, Florida: 121-122
Shepard WD. (Year: 2002c) Family 48. Psephenidae Lacordaire 1854. In: Arnett RH Jr,Thomas MC,Skelley PE,Frank JH. (Eds). American Beetles.Volume 2. Polyphaga: Scarabaeoidea through Curculionoidea, CRC Press, Boca Raton, Florida: 133-134
Stribling JB. (Year: 1986) Revision of Anchytarsus (Coleoptera: Dryopodea) and a key to the New World genera of Ptilodactylidae.Annals of the Entomological Society of America 79: 219-234
Stribling JB,Seymour RL. (Year: 1988) Evidence of mycophagy in Ptilodactylidae (Coleoptera: Dryopoidea) with notes on phylogenetic implications.The Coleopterists Bulletin 42: 152-154
Webster RP,Klimaszewski J,Pelletier G,Savard K. (Year: 2009) New Staphylinidae (Coleoptera) records with new collection data from New Brunswick, Canada. I. Aleocharinae. In: Majka CG,Klimaszewski J. (Eds). Biodiversity, biosystematics, and ecology of Canadian Coleoptera II.ZooKeys 22: 171–248 doi: 10.3897/zookeys.22.152
Webster RP,Smetana A,Sweeney JD,DeMerchant I. (Year: in press) New Staphylinidae (Coleoptera) records with new collection data from New Brunswick and an addition to the fauna of Quebec: Staphylininae. In: Klimaszewski J,Anderson R. (Eds) Biodiversity, Biosystematics and Ecology of Canadian Staphylinidae (Coleoptera) II. ZooKeys.

Figures

[Figure ID: F1]
Map 1. 

Collection localities in New Brunswick, Canada, of [taxon-name: Dryops viennensis].



[Figure ID: F2]
Map 2. 

Collection localities in New Brunswick, Canada, of [taxon-name: Promoresia elegans].



[Figure ID: F3]
Map 3. 

Collection localities in New Brunswick, Canada, of [taxon-name: Ectopria nervosa].



[Figure ID: F4]
Map 4. 

Collection localities in New Brunswick, Canada, of [taxon-name: Ectopria thoracica].



[Figure ID: F5]
Map 5. 

Collection localities in New Brunswick, Canada, of [taxon-name: Anchytarsus bicolor].



Tables
[TableWrap ID: T2]
ON Ontario NS Nova Scotia
QC Quebec NF & LB Newfoundland and Labrador
NB New Brunswick

[TableWrap ID: T1] Table 1. 

Species of [taxon-name: Dryopidae], [taxon-name: Elmidae], [taxon-name: Psephenidae], and [taxon-name: Ptilodactylidae] recorded from New Brunswick, Canada.


Family [taxon-name: Dryopidae] Billberg
[taxon-name: Dryops viennensis] (Heer)**
[taxon-name: Helichus basalis] LeConte
[taxon-name: Helichus striatus] LeConte
Family [taxon-name: Elmidae] Curtis
Subfamily [taxon-name: Elminae] Curtis
Tribe [taxon-name: Elmini] Curtis
[taxon-name: Microcylloepus pusillus pusillus] (LeConte)
[taxon-name: Optioservus fastiditus] (LeConte)
[taxon-name: Optioservus ovalis] (LeConte)
[taxon-name: Optioservus trivittatus] (W J Brown)
[taxon-name: Oulimnius latiusculus] (LeConte)
[taxon-name: Promoresia elegans] (LeConte)**
[taxon-name: Promoresia tardella] (Fall)
[taxon-name: Stenelmis crenat] (Say)
[taxon-name: Stenelmis mera] Sanderson
Tribe [taxon-name: Macronychini] Gistel
[taxon-name: Macronychus glabratus] Say
Family [taxon-name: Psephenidae] Lacordaire
Subfamily [taxon-name: Eubrianacinae] Jakobson
[taxon-name: Ectopria nervosa] (Melsheimer)**
[taxon-name: Ectopria thoracica] (Ziegler)*
Subfamily [taxon-name: Psepheninae] Lacordaire
[taxon-name: Psephenus herricki] (DeKay)
Family [taxon-name: Ptilodactylidae] Laporte
Subfamily [taxon-name: Anchytarsinae] Champion
[taxon-name: Anchytarsus bicolor] (Melsheimer)**

Notes: *New to province, **New to Maritime provinces.



Article Categories:
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Keywords: Keywords  Dryopidae, Elmidae, Psephenidae, Ptilodactylidae, new records, Canada, New Brunswick, Maritime provinces.

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