The genus mimumesa from China with descriptions of two new species (hymenoptera: apoidea: crabronidae).
Article Type: Report
Subject: Wasps (Research)
Authors: Ma, Li
Li, Qiang
Pub Date: 04/01/2009
Publication: Name: Entomologica Americana Publisher: New York Entomological Society Audience: Academic Format: Magazine/Journal Subject: Biological sciences; Science and technology Copyright: COPYRIGHT 2009 New York Entomological Society ISSN: 1947-5136
Issue: Date: April, 2009 Source Volume: 115 Source Issue: 2
Topic: Event Code: 310 Science & research
Geographic: Geographic Scope: China Geographic Code: 9CHIN China
Accession Number: 257814199
Full Text: Abstract.--The genus Mimumesa Malloch from China is reviewed. A key to the species is provided. Two new species, M. melanosomatica, sp. nov. from Yunnan Province, China, and M. nonstriata, sp. nov. from Xinjiang Autonomous Region, China, are described and illustrated, and three species new to China are reported.

Key words: Crabronidae, Mimumesa, Hymenoptera, new species, China.

**********

The genus Mimumesa Malloch (1933) includes 29 species and 3 subspecies of small to medium size predatory solitary wasps in the world, of which 5 species and 1 subspecies occur in the Palaearctic, 17 species in Nearctic, 2 species in Oriental, 1 species and 1 subspecies in Neotropical, 3 species in both Palaearctic and Nearctic, and 1 species and 1 subspecies in both Palaearctic and Oriental regions (de Beaumont 1937; Bohart and Menke 1976; Budrys 1990, 2001; Gussakovskij 1932, 1937; Lomholdt 1975; Lith 1948, 1949, 1959, 1965, 1974; Malloch 1933; Oehlke 1970; Rohwer 1910; Tsuneki 1954, 1959, 1967, 1972a, 1972b, 1974; Viereck 1901). In China, 2 species and 1 subspecies of the genus have been reported previously (Budrys, 2001; Gussakovskij, 1937; Lomholdt, 1975; Lith, 1949; Tsuneki, 1959). In the course of a study of the fauna of Mimumesa from China, two new species and three species new to China were discovered. A key to the Chinese Mimumesa is provided, the new species are described, and the species new to China are reported below.

MATERIAL AND METHODS

The specimens examined during this study were deposited in the following institutions: Yunnan Agricultural University, Kunming, Yunnan Province; Institute of Zoology, Academia Sinica, Beijing; China Agricultural University, Beijing; Zhejiang University, Hangzhou, Zhejiang Province; Zhejiang Forestry College, Linan, Zhejiang Province; Nanjing Agricultural University, Nanjing, Jiangsu Province; Northwest Scientific and Technical University of Agriculture and Forestry, Yangling, Shaanxi Province; and South China Agricultural University, Guangzhou, Guangdong Province, China.

The specimens were observed and figured with the aid of an Olympus stereomicroscope (SZ Series, Japan) with an ocular micrometer. The abbreviations in the text are as follows: HW, head width; HL, head length; POD, postocellar distance; OOD, ocellocular distance; OCD, ocellooccipital distance; PW, petiole width in middle; PL, petiole length laterally; WTI, maximum width of metasomal tergum I; LTI, maximum length of metasomal tergum I; HLL, hind femur length; HTL, hind tibiae length. Morphological terminology generally follows Bohart and Menke (1976).

KEY TO THE SPECIES OF MIMUMESA MALLOCH FROM CHINA

Mimumesa atratinus F. Morawitz, 1891

(Figs. 1A-F)

First Record from China

MATERIAL EXAMINED: 1[female], CHINA: Beijing, 3.VI.1950, coll. Chikun Yang; 1[female], Beijing, 18.IX.1951, coll. Chikun Yang; 1[female], Beijing, 10.VI.1980, coll. Chikun Yang; 1[female], Beijing, 5.VI.1947, coll. Chikun Yang; 1[female], Beijing Heishanhu Pool, 27.VII.1975, coll. Fasheng Li; 1[female], Jilin, Tonghua, 2.VIII.1972, coll. Institute of Zoology of Academia Sinica; 1[female], Shanxi, Jinshatan, 1.IX.1983, coll. Fen Lin; 1[female], Shaanxi, Yanan, 1.VI.1980, coll. Yanhua Wei; I[male], Heilongjiang, Haerbin, 1981, coll. Junling Du; 1[male], Beijing, Changping, Wangling, 2.VII.1956, coll. Chikun, Yang; 1[male], Xinjiang, Urumchi, 8.V.1958, coll. Qing Wang; 2[male][male], Inner Mongolia, Hailaer, Hulunqiao Bridge, 3.VIII.2006, coll. Tingjing Li; 5[male][male], Inner Mongolia, Huhehaote, Wusitu national forest park, 16.VII.2006, coll. Ming Luo, Haiyan Zhang, Tingjing Li.

DISTRIBUTION: China (Beijing, Jilin, Shanxi, Shaanxi, Heilongjiang Provinces, and Xinjiang, Inner Mongolia Autonomous Regions), Finland, Sweden, Netherlands, Germany, Poland, Hungary, Czechoslovakia, Austria, Switzerland, Italy, Spain, Ukraine, Turkey, Belgium, Great Britain, France, Luxemburg, Estonia, Russia, Kazakhstan, Japan, Korea, Canada.

Mimumesa dahlbomi (Wesmael), 1852

(Figs. 1G-L)

First Record from China

MATERIAL EXAMINED: 1[female], CHINA: Jilin, Mount Changbaishan, 10.VIII.1977, coll. Junhua He; 1[female], Xingjiang, Hejing, 31.VII.1958, coll. Changqing Li; 1[male], Tibet, Jiangda, 26.VII.1976, coll. Yinheng Han; 1[male], Shanxi, Huoditang, Huodigou, 1900 m, 5.VI.1998, coll. Yun Ma; 1[male], Hubei, Shennongjia, Qianjiaping, 1700m, 24.VIII.1982, coll. Junhua He.

DISTRIBUTION: China (Jilin, Shanxi, Hubei Provinces, and Tibet, Xinjiang Autonomous Regions), Bahamas: Nassau Region, Azores, Finland, Norway, Denmark, Sweden, Germany, Belgium, Estonia, Luxemburg, Great Britain, France, Czechoslovakia, Romania, Ukraine, Austria, Poland, Switzerland, Hungary, Spain, Italy, Bulgaria, Albania, Turkey, Greece, Kazakhstan, Yugoslavia, Mongolia, Russia, Japan, Korea.

[FIGURE 1 OMITTED]

Mimumesa unicolor V. d. Linden, 1829

(Figs. 1M-R)

First Record from China

MATERIAL EXAMINED: 1[female], CHINA: Xinjiang, Tacheng, 20.VII.1955, coll. Shijun Ma, Kailing Xia; 19, Shaanxi, Yanan, VI.1980, coll. Yanhua Wei; 1[female]1[male], Xinjiang, Shihezi, Manasi, 2.VII & 17.VI.1957, coll. Chunpei Hong; 19, Heilongjiang, Haerbin, 4.VII.1965, coll. Institute of Zoology of Academia Sinica; 1[female], Heilongjiang, Haerbin, 25.VII.1955, coll. Institute of Zoology of Academia Sinica; 1[male]', Inner Mongolia, Chayouzhongqi, 6.VIII.1978, coll. Heming Chen; 1[female], Jilin, Dongliao, 22.VII.1988, coll. Institute of Zoology of Academia Sinica; 1[male], Xinjiang, Aheqi, 2100m, 17.VII.1959, coll. Shuyong Wang; Icy, Inner Mongolia, Hailaer, Yiminhe River, Beierqiao Bridge, 2.VIII.2006, coll. Ming Luo; 2[male], Inner Mongolia, Hailaer, Hulunqiao Bridge, 2.VIII.2006, coll. Haiyan Zhang, Peng Wang.

DISTRIBUTION: CHINA (Jilin, Shaanxi, Heilongjiang Provinces, Inner Mongolia, Xinjiang Autonomous Region), Netherlands, Finland, Sweden, Belgium, Germany, Great Britain, France, Ireland, Estonia, Luxemburg, Slovakia, Poland, Austria, Hungary, Switzerland, Bulgaria, Italy, Spain, Czech Republic, Romania, Ukraine, Yugoslavia, Turkey, Pakistan, Turkmenistan, Afghanistan, Israel, Kazakhstan, Iraq, Greece, Russia.

Mimumesa melanosomatica, new species

Fig. 3

DESCRIPTION: Female: Body length 7.3-7.5 mm. Black; mandible apically bright reddish brown; tarsi dark brown; Appressed setae on clypeus and lower front silvery.

Clypeus sinuate prominent, with free margin undulate, moderately emarginate medially (Fig. 3A); basal half of disk moderately convex.

[FIGURE 2 OMITTED]

[FIGURE 3 OMITTED]

[FIGURE 4 OMITTED]

Interantennal tubercle low and round, indistinct. Antenna black, dull; relative length of joints 3-6 = 17: 9: 9: 8, joint 3 about 4 times, joint 4 nearly 1.5 times, and joints 11 and 12 about 1-1.1 times as long as wide apically, respectively. Frons and ocellar area shiny, densely and finely punctate; vertex shiny, sparsely, finely punctate. Frontal carina complete, conspicuous. Vertex without transverse furrow behind postocelli. Dorsal view, HW: HL = 78: 34; frontal view, about 78: 52; POD: OOD: OCD = 10: 17: 15.

Scutum with somewhat coarse, sparse punctures; scutellum with coarse, sparse punctures, with longitudinal, short ridges posteriorly; metanotum with fine, sparse punctures; mesopleuron with minute, sparse punctures, lower portion with slender, dense, longitudinally oblique ridges posteriorly. Propodeal enclosure broadly triangular, with longitudinal, slender, regular ridges; back of propodeum with fine, reticulate rugae; lower lateral propodeal surface with dense, slender ridges. Epicnemium with shallow, small depression on ventral side, without delimiting carina; two acetabular carinae meeting at medioventral carina, not forming obtuse angle (Fig. 3D). Legs normal, hind tibia with one or two rows of spines on outer surface. Second recurrent vein of forewing ending in second submarginal cell.

Petiole nearly quadrate in cross section, shiny; PL: PW: LTI: WTI: HLL: HTL = 49: 10: 35: 41: 47: 46; dorsomedial side with two conspicuous carinae; lateral side with two conspicuous longitudinal carinae; ventral side with two slender longitudinal carinae, without median keel. Gastral tergum I without punctures; terga II-IV with dense, fine punctures medially and posteriorly, impunctate basally; tergum V with dense, fine punctures; pygidial plate elongate triangle, with dense, coarse punctures, and with long, yellow bristles (Fig. 3E), basal half of plate convex. Sterna with dense, fine punctures.

Male: Body length 6.6-7.8 mm. Clypeal prominence medially with shallow, triangular emargination (Fig. 3B). Vertex with denser and coarser punctures than that in female. Dorsomedial side of propodeum with two carinae more conspicuous than that in female. Hind tibia without spines on outer surface. Relative length of antennal joints 3-6 = 16: 11: 11: 10; joint 3 about 3 times, joint 4 nearly 2 times, joint 12 about 1.2 times as long as wide apically, respectively; joints 3-7 beneath with narrow carinae, joints 8-10 beneath with brown to black tubercles (Fig. 3C). Dorsal view, HW: HL = 70: 30, frontal view, about 70: 51; POD: OOD: OCD = 9: 15: 13. PL: PW: LTI: WTI: HLL: HTL = 48: 9: 32: 36: 38: 41.

Paramere of male genitalia with long digitiform prominence apically, and with sparse and short setae apically and inner-laterally (Fig. 3F).

HOLOTYPE: [female], CHINA: Yunnan Province: Dali, 18.VIII.2003, coll. Peng Wang. PARATYPES (all from Yunnan Province of China): or, Dali, 18.VIII.2003, coll. Peng Wang; 1[female]2[male][male], Dali, 18.VIII.2003, coll. Peng Wang; [female], Jinping, HeitouZhai, 1500-1700m, 1.V.1956, coll. Keren Huang; 9[male][male], Qujing, Malong, Maguohe, Zhonghecun Village, 20.VII.2005, coll. Hesheng Wang, Kai Wu; 3[male][male], Kunming, Ciba, Suancun Village, 31.VIII.2003, coll. Lijuan Han; or, Simao, Meizihu, 1320-1370 m, 28.VII.2003, coll. Tingjing Li; or, Simao, Jingdong, Jinping, Chuanhe River, 28.IV.2005, coll. Hesheng Wang; or, Dehong, Lianghe, Zhedao, Yingjiang River, 16.VIII.2005, coll. Tingjing Li. All specimens are deposited in the Insect Collections of Yunnan Agricultural University, Kunming, Yunnan Province, P. R. China.

ETYMOLOGY: The name, melanosomatica, derived from the Greek melan- (=black) + Greek somat (=body), refers to the largely black body, one of the main recognition characters of the species.

DISTRIBUTION: China: Yunnan.

DISCUSSION: This new species can be distinguished from the related M. littoralis (Bondroit) and all other species of Mimumesa by the following combination of characters: antennal tyloides with a unique shape in male (Fig. 2I; Fig. 3C); male genitalia with of unique shape (Fig. 2L; Fig. 3F); epicnemium with very shallow, small depression anteriorly (Fig. 2J; Fig. 3D); POD: OOD: OCD with different ratio; petiole longer than hind femur or tibia; antenna beneath and leg black, and different body coloration.

Mimumesa nonstriata, new species

Fig. 4

DESCRIPTION: Male: Body length 6.5-6.8 mm. Black; mandible apically reddish brown; tarsi yellow brown; antenna beneath dark brown to black; Appressed setae on clypeus and lower front silvery.

Clypeal prominence with very shallow emargination medially (Fig. 4A), basal half of clypeal disk slightly convex. Interantennal tubercle low, ill defined. Antenna beneath dark brown to black, relative length of joints 3-6 = 17: 13: 12: 12, joint 3 about 3 times, joint 4 nearly 2 times, and joint 11 and 12 about 1.1 times as long as wide apically, respectively; joints 3-10 beneath with slightly broad carinae, joint 11 with very small, ill defined carina (Fig. 4B). Frons with dense, fine punctures; ocellar area with slightly denser and coarser punctures than those on frons; vertex with sparse, fine punctures, without transverse ridges. Frontal carina complete, slender. Vertex without transverse furrow behind postocelli. Dorsal view, HW:

HL = 65: 33, frontal view, about 65: 47; POD:

OOD: OCD = 10: 11: 10.

Scutum and metanotum with fine, dense punctures; scutellum with fine, sparse punctures; mesopleuron with fine, sparse punctures, and lower portion with somewhat conspicuous, sparse, longitudinally oblique ridges posteriorly. Propodeal enclosure broad, triangular, with longitudinal, conspicuous regular ridges; back of propodeum with strong reticulate rugae; lower lateral propodeal surface with sparse, conspicuous ridges. Epicnemium without depression, without delimiting carina anteriorly; two acetabular carinae meeting on medioventral carina, not forming obtuse angle (Fig. 4C). Legs normal, hind tibia without spines on out surface. Second recurrent vein of forewing ending in second submarginal cell.

Petiole nearly quadrate in cross section, shiny; PL : PW : LTI: WTI: HLL: HTL = 40: 9: 25: 32:

35: 35; dorsomedial side with two slender carinae; lateral side with two somewhat conspicuous longitudinal carinae; ventral side with two slender longitudinal carinae, without median keel. Gastral terga and sterna shiny, without or with fine punctures. Paramere of genitalia with long, dense setae apically, with an acuate angle interolaterally (Fig. 4D).

Female: Unknown.

HOLOTYPE: [male], CHINA: Xinjiang Autonomous Region, Wushi, 1530 m, 18.VII.1959, coll. Shuyong Wang. PARATYPES (all from Xinjiang Autonomous Region of China): 3[male][male], Wushi, 1530 m, 18.VII.1959, coll. Shuyong Wang and Afu Tian; l[male], Aheqi, 2100 m, 18.VII.1959, coll. Afu Tian. All the specimens are deposited in the Institute of Zoology, Academia Sinica, Beijing, P. R. China.

ETYMOLOGY: The name, nonstriata, derived from Latin prefixe non- (=absent) + Latin striatus, feminine striata (=striate), refers to vertex without transverse ridges, which is one of the main recognition characters of the species.

DISTRIBUTION: China: Xinjiang.

DISCUSSION: The male of this new species can be distinguished from the related M. unicolor (Vander Linden) and all other species of Mimumesa by the following combination of characters: antenna beneath dark brown to black; male genitalia with unique shape (Fig. 1R; Fig. 4D); antennal tyloides with unique shape (Fig. 10; Fig. 4B); vertex with sparse punctures, without transverse ridges; POD: OOD: OCD = 10: 11: 10; PL: LTI:

HLL: HTL = 40: 25: 35: 35.

ACKNOWLEDGMENTS

We are grateful to Professor Yanru Wu (Institute of Zoology, Academia Sinica, Beijing), Professor Chikun Yang (China Agricultural University, Beijing), Professor Lianfang Yang (Nanjing Agricultural University), Professor Junhua He and Professor Xuexin Chen (Zhejiang University, Zhejiang Province), Professor Hong Wu (Zhejiang Forestry College, Zhejiang Province), Professor Yalin Zhang (Northwest Scientific and Technical University of Agriculture and Forestry), and Dr. Zaifu Xu (South China Agricultural University), for providing us with specimens deposited in the insect collections under their care. We also thank to Dr. Wojciech J. Pulawski (California Academy of Sciences, San Francisco, California) for sending us many valuable references. This study was funded by the National Natural Science Foundation of China (30460025, 30660105), the Ministry of Science and Technology of China (2006FY120100), and the Science and Technology Department of Yunnan Province (2003RC01).

LITERATURE CITED

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Bohart, R. M. and A. S. Menke. 1976. Sphecid wasps of the world, a genetic revision. University of California Press, Berkeley, California, London. IX + 695 pp.

Budrys, E. 2001. Mimumesa littoralis (Bondroit), M. oresterus (van Lith), and M. unicolor (Vander Linden): notes on similarity, synonymy, and identification (Hymenoptera: Crabronidae). Insect Systematics & Evolution 32(2): 177-190.

Budrys, E. R. 1990. Digger-wasps of the genus Mimumesa Malloch (Hymenoptera, Sphecidae) of the fauna of the USSR. Entomologicheskoe Obozrenie 69(4): 941-948.

Gussakovskij, V. V. 1932. Verzeichnis der von Herrn Dr. R. Malaise im Ussuri und Kamtschatka gesammelten aculeaten Hymenopteren. Arkiv for Zoologi 24A No. 10: 1-66.

Gussakovskij, V. V. 1937. Obzor palearkticheskikh vidov rodov Didineis Wesm., Pison Latr. i Psen Latr. (Hymenoptera Sphecodea). Trudy Zoologicheskogo Instituta Akademii Nauk SSSR 4: 599-698.

Lith, J. P. van. 1948. Psen sibiricus Gussakovskij f. n. sp. (Hym. Sphecid.). Entomologische Berichten 12: 230-231.

Lith, J. P. van. 1949. Le sous-genre Psen mimumesa Malloch (Hym. Sphec.). Tijdschrift voor Entomologie 91:135-148.

Lith, J. P. van. 1959. Contribution to the knowledge of the Indo-Australian Pseninae (Hymenoptera, Sphecidae). Part I. Genus Psen Latreille. Zoologische Verhandelingen 39: 1-69.

Lith, J. P. van. 1965. Contribution to the knowledge of the Indo-Australian Psenini (Hymenoptera, Sphecidae). Part III. New species of the subgenera Psen Latreille and Mimumesa Malloch and a review of East-Asiatic and Indo-Australian Psen Latreille, s.l. Zoologische Verhandelingen 73:1-80.

Lith, J. P. van. 1974. Notes on Palaearctic Psenini. V VIII (Hymenoptera, Sphecidae). Entomologische Berichten 34: 180-183.

Lomholdt, O. 1975. The Sphecidae (Hymenoptera) of Fennoscandia and Denmark in Fauna Entomologica Scandinavica 4, part 1: 1-224.

Malloch, J. R. 1933. Review of the wasps of the subfamily Pseninae of North America (Hymenoptera: Aculeata). Proceedings of the United States National Museum 82(26): 1-60.

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Tsuneki, K. 1959. Contributions to the knowledge of the Cleptinae and Pseninae Faunae of Japan and Korea (Hymenoptera, Chrysididae and Sphecidae). Memoirs of the Faculty of Liberal Arts, Fukui University (Series II, Natural Science) 9: 1-78.

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Received 6 August 2007; accepted 4 April 2009

LI MA (1) AND QIANG LI (1,2)

(1) Department of Entomology, College of Plant Protection, Yunnan Agricultural University, Kunming, Yunnan, 650201, P. R. China

(2) E-mail address for correspondence: liqiangkm@ 126.com
1. Epicnemium with completely or nearly completely
delimiting carina, with large, deep
depression anteriorly; two acetabular carinae
meeting in medioventral carina to form obtuse
angle (Figs. 1D, J); basal half of clypeal disk
conspicuously convex                                              2

--Epicnemium without delimiting carina, with or
without small, shallow central depression
anteriorly; two acetabular carinae meeting in
medioventral carina, not forming obtuse angle
(Fig. 1P; Figs. 2D, J; Fig. 3D; Fig. 4C);
basal half of clypeal disk slightly to moderately
convex                                                            3

2. Frons and vertex finely punctate, vertex without
transverse ridges; petiole longer than hind
tibia; in female, pygidial area broad, with dense,
fine punctures (Fig. 1E); in male, antennal joints
4-8 beneath with narrow carinae, 9-11 beneath
with elliptic tubercules (Fig. 1C) (clypeus with
dense silvery setae; scutum with fine and sparse
punctures; mesopleuron without longitudinally
oblique ridges posteriorly)    atratinus (F. Morawitz) (Figs. 1A-F)

--Frons and vertex coarsely punctate, vertex with
conspicuous transverse ridges; petiole shorter than
hind tibia; in female, pygidial area narrow, smooth,
shiny, with row of fine punctures along margin (Fig.
1K); in male, antennal joints 3-8 beneath with narrow
carinae, 9-12 beneath with long elliptic tubercules
(Fig. 11) (clypeus with sparse, silvery setae; scutum
with coarse, dense punctures; lower mesopleuron with
sparse, slender, longitudinally oblique ridges
posteriorly)                        dahlbomi (Wesmael) (Figs. 1G-L)

3. Upper frons, ocellar area, and vertex with
coarse, dense punctures, vertex with dense,
conspicuous transverse ridges; in male, antennal
joints 3-12 beneath with narrow carinae (Fig.
10)                           unicolor (Vander Linden) (Figs. 1M-R)

--Upper frons and ocellar area with fine, dense
punctures; vertex with fine and sparse punctures,
with or without slender, sparse transverse
ridges; male antenna different                                    4

4. Vertex with shallow transverse furrow behind
postocelli; in female, pygidial area narrow,
smooth, shiny, with 1-2 rows of coarse punctures
along margin (Fig. 2E); in male, antennal joints
4-12 beneath with narrow carinae (Fig.
2C)                                   vanlithi Tsuneki (Figs. 2A-F)

--Vertex without transverse furrow behind postocelli;
in female, pygidial area with dense,
coarse punctures and setae (Fig. 2K; Fig. 3E);
male antenna different                                            5

5. Scutum with fine, dense punctures; propodeum
with conspicuous rugae; lower propodeal side
with sparse, conspicuous ridges; in male, antennal
joints 3-11 beneath with slightly broadened carinae
(Fig. 4B); female unknown          nonstriata sp. nov. (Figs. 4A-D)

--Scutum with fine, sparse punctures; propodeum
with slender rugae; lower propodeal side with
dense, slender ridges; male antenna different                     6

6. Antenna beneath black; POD: OOD: OCD =
10: 17: 15; petiole slightly longer than hind
femur, also longer than tibia; in male, antennal
joints 3-7 beneath with broad carinae,
8-10 beneath with elliptic tubercules (Fig.
3C)                            melanosomatica sp. nov. (Figs. 3A-F)

--Antenna beneath from 3rd joint apically yellow
brown; POD: OOD: OCD = 10: 11: 11; petiole slightly
shorter than hind femur, also shorter than tibia;
in male, antennal joints 3-10 beneath with narrow
carinae (Fig. 21)               littoralis (Bondroit) (Figs. 2 G-L)
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