Aphromyia Courtney

Courtney, Gregory W., 2015, A new genus and species of net-winged midge from Madagascar (Diptera: Blephariceridae: Blepharicerinae), Zootaxa 4052 (1), pp. 107-116: 108-109

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Aphromyia Courtney

new genus

Aphromyia Courtney   , new genus

“Apistomyinae, Mt Andringitra Ampatsikahaitra type I” Paulian 1953: 434 [brief larval description]. “ Apistomyiinae ” Stuckenberg 1958: 7 [brief mention in discussion of Paulianina   ].

“unnamed apistomyiine” Courtney 2003: 704 [photomicrographs of larvae and pupae].

“unnamed Madagascan blepharicerine” Stuckenberg 2004: 235 [discussion of colocephaly].

Diagnosis. Larva (instar IV) ( Figs. 1 –3 View FIGURES 1 – 6 , 7– 9 View FIGURES 7 – 10 ): Cranium with deep lateral incisions, each extended anteriorly to include eyespots; anteroventral margin with prominent clypeal shield. Antenna two-segmented, with narrow intersegmental membrane. Body onisciform (chiton-shaped), body nearly half as wide as long, compressed dorsoventrally, abdominal divisions at least as wide as cephalic division. Body divisions mostly glabrous dorsally, lateral margins with rows of fan-shaped or obovoid setae. Abdominal divisions laterally recessed at proleg insertions. Prolegs simple, unpaired; seventh pair minute, with single pair of apical bristles. Posterior margin of anal division without prominent setae. Gill filaments five in number. Pupa ( Figs. 4 –6 View FIGURES 1 – 6 , 10 View FIGURES 7 – 10 ): Broad, oval. Respiratory organ with 4 lamellae, closely bunched at anterior edge of pupa; outer lamellae erect, elongate, tapered to acute point. Proboscis theca not extending beyond base of foreleg sheath. Abdominal tergites set with broad, flattened, dorsal papillae, each set with numerous minute spicules; tergites laterally with numerous parallel grooves. Ventrolateral adhesive organ on each of abdominal segments IV –VI. Adult ( Figs. 11–15 View FIGURES 11 – 15 ): Colocephalous, head broad, eyes dichoptic, set with short ommotrichia. Mandibles absent. Maxillary palpus two-segmented. Labellum short, length much less than height of head, without pseudotrachea; labial palpi reduced. Antenna with 12 flagellomeres. Hind legs much longer than fore- and midlegs, with one tibial spur. Wing with costal vein terminating in radial sector; reduced subcostal vein; radial sector with three veins, R 4 + 5 forked; medial sector with single vein, M 1; anal lobe prominent.

Etymology. From the Greek terms for “froth” or “foam” (aphros) and “fly” (myia), in reference to the habitat where Dr. Brian Stuckenberg collected adults.

Type species. Aphromyia stuckenbergi Courtney   by present designation.