Cyrilthrips cecidis, Tree & Mound, 2009

Tree, Desley J. & Mound, Laurence A., 2009, Gall-induction by an Australian insect of the family Thripidae (Thysanoptera: Terebrantia), Journal of Natural History 43 (19 - 20), pp. 1147-1158 : 1156-1157

Cyrilthrips cecidis sp. nov.

Female macroptera

White at eclosion but darkening when mature; body and head brown ( Figure 3A ); fore and mid femora brown at base with distal half yellow, hind femora dark brown with distal third yellow, all tarsi and tibiae yellow; antennal segment I light brown, II and III yellow, IV yellow at base and distal half light brown, V light brown at base and distal half dark brown, VI–VIII dark brown. Forewings pale.

Measurements of holotype female in mm. Body length 1340. Head, length 170; median width, across eyes 110, across cheeks 90. Pronotum, length 170; maximum width 200. Metanotal median setae length 10. Forewing length 590. Tergite VI median setae 8. Antennal segments I–VIII, 21, 34, 44, 37, 35, 38, 12, 15, respectively.

Male macroptera

Similar to female but smaller. Body and legs yellow, tergite X and genitalia brown, conical tubercule on tergite IX dark brown; antennae similar to female except antennal segment I yellow. Hind coxa without spur; sternite III with slender transverse pore plate, IV (rarely V) with incomplete transverse pore plate sometimes

reduced to two or more circles; tergite IX produced dorsally into stout conical tubercle bearing pair of stout setae that are fused distally ( Figure 3C,D ).

Measurements of paratype male in mm. Body length 1258.

Larva II

Colour white with faint brown shading on legs, antennae and anterior margin of head; each abdominal tergite with 12–15 transverse rows of small rounded tubercles; tergite IX with only one transverse row and a few scattered tubercles, posterior margin with no teeth, median pair of campaniform sensilla no further apart than posteromedian pair of setae; tergal setae with blunt apices.

Material examined

Holotype ♀, Australia, Queensland, Brisbane, The Gap , in leaf gall on Austrosteenisia blackii , 24 November 2007 (DJT569) (in Australian National Insect Collection, CSIRO, Canberra) . Paratypes: 14 ♀ collected with holotype ; 12 ♀ 12 „ from same site, 23 January 2008 (DJT584) (in Department of Primary Industries and Fisheries, Queensland; Natural History Museum , London ; Senckenberg Museum , Frankfurt ) .

Figures

Figure 3. Cyrilthrips cecidis adult female. (A) Habitus; (B) head and pronotum; (C) antenna; (D) mesonotum and metanota; (E) prosternum; (F) tergites IX–X; (G) hind coxae and abdominal sternites.