Elephantomyia (Elephantomyia) corniculata, Ribeiro, Guilherme Cunha & Amorim, Dalton De Souza, 2002

Ribeiro, Guilherme Cunha & Amorim, Dalton De Souza, 2002, A review of the genus Elephantomyia Osten Sacken in Brazil, with description of two new species (Diptera: Tipulomorpha, Limoniidae), Zootaxa 46, pp. 1-16 : 8-10

Elephantomyia (Elephantomyia) corniculata sp.n.

Figures 13­19

Etymology. From Latin, horned.

Material examined. Holotype, male. Three­dimensional specimen mounted in slide, in Canada Balsam. Brasil, São Paulo, Cajuru. Fazenda Rio Grande, 21º 12’ S, 47º 09’W. 2­ 18. xii. 1999. G. Melo & F. Nascimento. White Malaise Trap. MZUSP.

Color. Body almost uniformly brown; abdominal segments 7­9 darker than preceding segments, wings light brown. Head ( Figs. 13­15 ). Rostrum length, 4.40 mm; antenna length, 1.20 mm; maxillary palpus length, 0.24 mm; third segment of palpus ca. 1.14 times longer than fourth; head capsule length / width, 0.64 / 0.66 mm; head capsule with two horn­like protuberances at frons between the eyes ( Fig. 13 , p). Thorax ( Fig. 16 ). Thorax length / height, 1.70 / 1.68 mm; tibial spurs lacking. Wing ( Fig. 17 ). Wing length / width, 7.20 / 1.70 mm; cross­vein sc­r at mid point between tip of R1 and origin of RS; discal cell ca. 2 times longer than wide; A1 ca. 1.5 times longer than A2. Abdomen. Abdomen length, 5.2 mm. Male terminalia ( Figs. 18­19 ). Gonocoxite length / maximum width, 0.65 / 0.20 mm; gonocoxite conical, with longest hairs at apical and dorso­lateral borders; gonostylus subterminal; inner gonostylus length, 0.30 mm; inner gonostylus curved, narrowed abruptly at tip; outer gonostylus length, 0.25 mm; interbase narrowing gradually toward tip, aedeagus long, ribbon­like, abruptly narrowed at tip.

Figures

FIGURES 13 ­ 15. Elephantomyia corniculata sp. n. Holotype, male. 13. Head, dorso­lateral view. 14. Antenna. 15. Maxillary palpi. Abbreviations: clyp, clypeus; lbl, labellum; p, protuberances of the head; ped, pedicel; scp, scape.

FIGURES 16 ­ 17. Elephantomyia corniculata sp. n. Holotype, male. 16. Thorax, lateral view. 17. Wing.

FIGURES 18 ­ 19. Elephantomyia corniculata sp. n. Holotype, male. 18. Terminalia, dorso­lateral view. 19. Detail of left gonocoxite and gonostyles, ventral view. Abbreviations: aed, aedeagus; goncx, gonocoxite; i gonst, inner gonostylus; interb, interbase; o gonst, outer gonostylus; pm, paramare, tg 10, tergite 10.