World review of the genus Strongylophthalmyia Heller (Diptera: Strongylophthalmyiidae). Part I: Introduction, morphology, species groups, and review of the Strongylophthalmyia punctata subgroup Author Evenhuis, Neal L. text Zootaxa 2016 4189 2 201 243 journal article 10.11646/zootaxa.4189.2.1 d55e95d1-8a9a-45b1-9eac-ca3365301053 1175-5326 165871 6AE6BFFF-C89E-4BBA-A2BE-CE648ECBD4D Strongylophthalmyia inundans Evenhuis , n. sp. ( Figs. 25 , 67 ) Diagnosis . This new species is similar to S. malayensis , n. sp. and can easily be distinguished from it by having the dorsal antennal process much longer than the head (much shorter than head length in S. malayensis ) and lacking a subbasal thorn-like cluster of hairs ventrally on the fore femur. Description . Lengths . Ƌ: body, 3.1 mm ; wing, 2.9 mm . Male . Head : globular, frons shining black, yellow just above ptilinal suture; face yellow; gena yellow, silvery pollinose, row of short white hairs ventrally; occiput black, brown posteroventrally; clypeus thin, brown; palpus bacilliform, unmodified, clothed with minute yellow hairs; proboscis brown. Antenna ( Fig. 25 ): yellow; flagellomere ovoid, clothed with white hairs, with very long, slender, slightly sinuous brown dorsal process densely clothed with white hairs, four times length of flagellomere; arista short, onehalf length of dorsal process, styliform, bare. Thorax : shining brown; mesonotum and scutellum sparsely clothed with short hair-like setulae; katepisternum with white hairs ventrally near mid coxa. Wing : hyaline; vein R2+3 nearly straight, ending in costa before level of crossvein dm-cu; crossvein r-m at basal one-third of cell dm; veins R4+5 and M1+2 slightly converging distally; crossvein dm-cu sloping to CuA1; last section of CuA1 to wing margin shorter than dm-cu; halter white. Legs : yellow; fore coxa with 2 long yellowish white hairs; fore femur ( Fig. 67 ) dorsally with 6–7 black thornlike spicules at base, ventrally with subbasal thorn-like cluster of yellowish hairs; mid femur yellow; hind femur yellow, brown apically; fore tibia white; mid and hind tibiae brown basally, white apically; tarsi white. Abdomen : tergites I–II brown medially, dark brown laterally; tergites III–VI dark brown, with short sparse brown hairs, these hairs longest on tergites V–VI; sternites brown. Male genitalia . Not dissected; epandrium and surstylus shining brown, with white hairs; cerci yellow, narrow basally, flared and rounded apically, with admixed black white hairs apically. Female . Unknown. Material examined . Holotype ♂ ( BPBM 17816 ) from PHILIPPINES : [ Luzon Island :] Camarines Sur Province : Mt Isarog [ 13.650°N , 123.389°E ], 500 m , 4 Apr 1963 , H.M. Torrevillas ( BPBM ) . Holotype deposited in the Bishop Museum. Remarks . Hermani Torrevillas, who collected the type specimen, gave a short account of this collecting trip, which was near a Very High Frequency (VHF) relay station on the volcanic cone of Mt. Isarog ( Torrevillas 2011: 109 ). He tells of just escaping, in the last seconds before it hit, a three-meter tall flash flood that ripped through their camp, which was alongside a river. He and the specimens collected were barely saved as he grabbed them and scampered up to higher ground. Distribution . Philippines . Etymology . This species epithet derives from the Latin “ inundans ” = “flood”; referring to this specimen surviving the flash flood during the collecting trip that secured its capture.