Cladobethylus densepunctatus Kimsey, 2019

Kimsey, Lynn S., 2019, Revision of the south Asian amisegine genus Cladobethylus Kieffer, 1922 (Hymenoptera, Chrysididae, Amiseginae), Journal of Hymenoptera Research 70, pp. 41-64 : 41

Cladobethylus densepunctatus Kimsey sp. nov.

Figs 16-19

Diagnosis.

This is the most distinctive of the Cladobethylus species. The coarse punctation and long, strongly angulate vertex will immediately separate Cl. densepunctatus from all other species in both sexes. In addition, males have the apical flagellomeres asymmetrical, and females have the longest first flagellomere (2.5 ×), widest interocular distance (more than twice eye width), longest subantennal distance (more than 1.3 midocellar diameters), lack occipital fovea (shared with Cl. thailandicus ) and have an entirely brown antenna.

Male description.

Body (Figs 16 , 17 ). Length 2.0-4.0 mm. Head. Scapal basin coarsely punctate, at most with small number of wrinkles basomedially; clypeus long and gently convex apicomedially; subantennal distance 1.2 MOD; malar space 3.5 MOD long; head slightly shorter than broad, interocular distance 2.4 × eye width in front view; postocular distance 2.3 midocellar diameters; vertex strongly angulate posterolaterally in dorsal view; midocellus 2 MOD from ocular margin; ocelli arranged in isosceles triangle; hindocelli separated from ocular margin by 1.2 diameters; flagellomere I 3.5 × as long as broad, setae 0.4 × as long as flagellomere breadth; flagellomere II 2.6 × as long as broad; flagellomere IX 5 × as long as broad; apical five flagellomeres slightly lobate submedially. Mesosoma. Pronotum about as long as scutum; mesopleuron with punctures contiguous t 0.5 puncture diameters apart; metapleuron polished, impunctate; propodeum laterally polished, impunctate, with posteromedial enclosure subrectangular. Metasoma. Tergum I with small submedial patch of punctures, 1-2 puncture diameters apart, otherwise impunctate; tergum II basal half with punctures, 1-2 puncture diameters apart, separated by impunctate medial stripe, apical part impunctate; terga III-V with dense basal band of punctures separated by impunctate longitudinal band, posterior margin impunctate. Color. Body black, without metallic highlights; legs including coxae orange to red; antenna dark reddish brown; wing membrane light brown tinted, with dark brown veins.

Female description.

Body (Figs 18 , 19 ). Length. 3.0-6.0 mm. Head. Scapal basin coarsely punctate, with band of wrinkles basomedially; clypeus long and rounded apically, subantennal distance 1.8 MOD long; malar space 5.2 MOD long; head slightly broader than long; midocellus 3.6 MOD from ocular margin; ocelli arranged in isosceles triangle; hindocelli separated from ocular margin by 2 diameters; flagellomeres rounded, broadest submedially; flagellomere I 2.6 × as long as broad; flagellomere II as long as broad; flagellomere X twice as long as broad. Mesosoma. Pronotum slightly shorter than scutum; mesopleural punctures large, contiguous; metapleuron with coarse cross ridging; propodeum laterally wrinkled, with posteromedial enclosure subrectangular. Metasoma. Tergum I impunctate, except for narrow transverse band of punctures separated by 0.5-1.0 puncture diameters; tergum II with large ovoid basal punctate areas, with punctures 0.5-1.0 puncture diameters apart, separated medially by impunctate longitudinal stripe, laterally and posteriorly nearly impunctate; terga III-V with punctures 0.5-1.0 puncture diameters apart, with impunctate apical margin. Color. Body black, without metallic highlights; legs including coxae yellow; antenna: scape, pedicel red, flagellum dark brown becoming red ventrally toward apex; wing membrane light brown tinted, veins dark brown.

Type material.

Holotype male: Thailand: Lampang Prov., Chae Son NP, Huai Yen, 18°50'012"N, 99°28'656"E, 419m, pan trap, 7-8/v/2008, Kwannui & Sukpeng, T5304 (QSBG). Paratypes: 6 males, 9 females: 1 male: Bangkok, Khao Yai NP, 15/iv/1990, Black light, B.V. Brown; 1 female; Chiang Mai Prov., Doi Chang Dao NP, Pha Tang substation, 19°25'N, 98°55'E, 526 m, Songkran & Apichart, 21-28.x.2007, MT, T3180; 1 female: Jugeau & Watwanich, 8-15/iv/2008, T5791; 1 female: Doi Inthanon NP, Vachiratharn Falls, 18°32.311'N, 98°36.048'E, 700m, Malaise trap, 2-8.vii.2006, Y. Areeluck. T51; 1 female: Chiang Mai Botanic Garden, 18.8955N, 98.8636E, 11-25/vii/2013, M. Hauser; 1 female: Chaiyaphum Prov., Pa Hin Ngam NP, Thepana waterfall, 15°38.948'N, 101°25.625'E, 604m, Malaise trap, 7-13.x.2006, Sa-nog & Adnafai, T660; 1 male: Chanthaburi Prov., Khao Khitchatkut NP, 12°50.2'N, 102°7.3'E, 46m, 10-17/IV/2009, S. Charoenchai, MT, T4878; 1 female: Loei Prov., Phu Ruea NP, 17°27.901'N, 101°21.301'E, 700m, Malaise trap, 5-12.xii.2006, Patikom Tumtip, T1263; 1 male, 1 female: Phu Kradeung NP, 273m, 16°56.589'N, 101°42.074'E, 21/x/2006, S. Glonglasae, T786; 1 male: 16°49.9'N, 101°47.6'E, 273m, Malaise trap, 14-21/v/2008, T. Phatai, T5011; 1 female: Sakon Nakhon Prov., Phu Phan NP, 16°48.628'N, 103°53.591'E, 522m, Malaise trap, 3-9.xii.2006, S. Kongnara, T1241; 1 male: Surat Thani, Khao Sok NP, Ban Huaraed, 8°54.555'N, 98°30.522'E, 122m, MT, 6-13/I/2009, Pongphan, T3913; 1 male: Trang Prov., Khaophappha Khaochang, 200-400m, 10.1.1964, W. Samuelson; 1 female: Ubon Ratchathani Prov., Pha Taem NP, 15°37.321'N, 105°36.982'E, 419m, Malaise trap, 13-20.x.2006, T723 (BME, CHIANG MIA).

Distribution.

Thailand: Bangkok, Chiang Mai, Chaiyaphum Chanthaburi, Loei, Sakon Nakhon, Surat Thani, Trang, Ubon Ratchathani Provinces. One additional male was seen from Viet Nam: 6 km s Dalat, 1400-1500 m, 9/vi-7/vii/1961, N. R. Spencer.

Etymology.

The species is named for the unusually dense, coarse punctation on the head and thorax.

Figures

Figures 12 - 19. 12, 13, 16, 17 Male Cladobethylus 14, 15, 18, 19 Female Cladobethylus 12, 14, 16, 18 Lateral view 13, 15, 17, 19 dorsal view.