Cladobethylus insularis Kimsey & Dewhurst, 2013

Kimsey, Lynn S., Dewhurst, Charles F. & Nyaure, Seno, 2013, New species of egg parasites from the Oil Palm Stick Insect (Eurycantha insularis) in Papua New Guinea (Hymenoptera, Chrysididae, Phasmatodea, Phasmatidae), Journal of Hymenoptera Research 30, pp. 19-28 : 20-23

Cladobethylus insularis Kimsey & Dewhurst sp. n. Figs 4 10

Holotype male.

Papua New Guinea, Northern (Oro) Province, Higaturu, ex Eurycantha insularis egg, second generation coll. 23/ii/2009, died 23/ii/2009 C. F. Dewhurst, No. 888 (LONDON).

Paratypes (17 males, 3 females): same data as holotype except: 1 male, 1st generation, em. (emerged) 28/xii/2008, died 5/i/2009, C. F. Dewhurst , No. 855; 1 male, 1st generation, emerged 28/xii/2008, died 5/i/2009, S. Nyaure, No. 855; 1 female, 1st generation, emerged 8/ii/2008, died 14/ii/2008, C. F. Dewhurst, No. 833; 1 male, 1st generation, emerged 6/i/2009, died 17/i/2009, S. Nyaure, No. 869; 1 male, 1st generation, emerged 2/i/2009, died 9/i/2009, S. Nyaure, No. 862; 1 male, 1st generation, emerged& dead 22, 23, 25/i/2009, S. Nyaure, No. 875; 1 male, 2nd generation, coll. 3/ii/2009, died 16/ii/2009, C. F. Dewhurst, No. 887; 1 male, Higaturu Oil Palms, coll. 8/v/2007, H9/vi/2007, C. F. Dewhurst, Nos. 823; 3 males, 2nd generation, coll. 25/vii/2009, died 27/vii/2009, C. F. Dewhurst, No. 893, 894, 895; 1 male, 2nd generation, coll. 5/ii/2009, died 20/ii/2009, C. F. Dewhurst, No. 890; 1 male, 1 female, 2 nd generation, coll. 26/i/2009, died 16/ii/2009, C. F. Dewhurst, No. 881, 882; 1 male; 2nd generation, coll. 8/ii/2009, died 16/ii/2009, C. F. Dewhurst, No. 8923; 1 male, 2nd generation, coll. 2/ii/2009, died 15/ii/2009, C. F. Dewhurst, No. 886; 1 male, emerged 12/ii/2008, died 17/ii/2008, C. F. Dewhurst, No. 837; 1 female, 2nd generation, coll. 27/i/2009, died 21/ii/2009, C. F. Dewhurst, No. 883 (CANBERRA, LONDON, DAVIS, KIMBE, PORT MORESBY).

Diagnosis.

This is the largest bodied species of Cladobethylus , with males averaging twice the length of the known other species. Male insularis can be distinguished from aquilus, the only other species known from New Guinea by the longer malar space (4 midocellus diameters versus 3.5 in aquilus), pronotum not blue-tinted, much broader zone of cross-ridging in the scapal basin, legs brown instead of yellow (aquilus) flagellomere I shorter (4.5 × as long as broad versus 5 × in aquilus) and flagellomere XI shorter (5 × as long as broad versus 6 × in aquilus). Features of female insularis not shared with other Cladobethylus include the bicolored antenna and legs, long clypeus (0.8 midocellus diameter long versus 0.3-0.6 midocellus diameters in other species), and narrow distance between the midocellus and nearest eye margin (up to 2 midocellus diameters versus 2.6-2.7 midocellus diameters in the others).

Description.

Male ( Fig. 4 ). Body length. 5-7 mm.

Head ( Figs 6-8 ). Face about as long as broad across the eyes; genal area without foveae; midocellus 1.8 diameters from ocular margin; hindocelli 4 diameters from posterior margin of vertex; scapal basin with narrow, longitudinal submedial band of cross-ridges; malar space 3.5-3.8 midocellus diameters; subantennal distance 1 midocellus diameter long; flagellomere I 4 × as long as broad; flagellomere II 2.8-3.0 × as long as broad; flagellomere IX 5 × as long as broad, flagellar setae 0.7 midocellar diameter long; ocular setulae 0.4 midocellus diameter long.

Mesosoma ( Fig. 9 ). Pronotum about as long as scutum; punctation on pronotum, scutum and mesopleuron large, deep and nearly contiguous punctuation, without scrobal sulcus or omaulus; scutellum polished with scattered tiny punctures; metapleuron polished, impunctate.

Metasoma. Tergum I polished with few tiny highly scattered punctures; tergum II with two large ovoid patches of small punctures, 1 puncture diameter apart, separated medially by impunctate band and with broad apical impunctate band; terga III-IV with tiny punctures 1 puncture diameter apart, becoming sparser toward apical margin.

Color. Head, meso- and metasoma black with metallic bluish green highlights dorsally on head, pronotum and scutellum, sometimes faint on metasomal terga; mandible and antenna dark brown; legs light reddish brown, except coxae dark brown to black basally; wing membrane brown-tinted, darkest in vicinity of stigma; wing veins dark brown.

Female ( Fig. 5 ). Body length. 4.5-5.5 mm. As in the male, except face ( Fig. 10 ) about as long as broad across the eyes; malar space 3.6-3.8midocellus diameters; subantennal distance 0.8 midocellus diameter; flagellomere I 2.4 × as long as broad; flagellomere II long as broad; flagellomere IX 1.3 × as long as broad; scape, pedicel black, flagellomeres I-III white, remaining flagellomeres black; coxae, femora, mid and hindtibiae black basally, whitish apically; foretibia and tarsi brown; wing membrane brown-tinted with dark brown veins.

Etymology.

The species is named after the host species.

Figures

Figures 4 - 5. Cladobethylus insularis, side views 4 Male 5 Female.

Figures 6 - 10. Cladobethylus insularis 6 - 8 Male head 6 Front view 7 Lateral view 8 Dorsal view 9 Dorsal view of male mesosoma, wings removed 10 Front view of female face.