Heteromeringia volcana, Lonsdale & Marshall, 2007

Lonsdale, Owen & Marshall, Stephen A., 2007, Revision of the New World Heteromeringia (Diptera: Clusiidae: Clusiodinae), Beiträge Zur Entomologie = Contributions to Entomology 57 (1), pp. 37-80 : 52

Heteromeringia volcana sp. n.

( Map 3 )

Description

Male

Body length approximately 3.6 mm. Bristles black. Arista pubescent. Two dorsocentral bristles. Ocellar bristle relatively long and well-developed. All genal bristles small and hair-like. Three fronto-orbital bristles. Male with small white disc anterior and ventral to anepisternal bristle. Thorax dark brown. Legs predominantly yellow, although fore tarsi dark brown, fore tibia dark brown with basal half yellow on dorsal margin, tip of fore femur dark brown, hind tibia dark brown and fore coxa white. Head mostly yellow with face and gena orange, distal half of inner face of first flagellomere lightly infuscated, clypeus, occiput and posterior 3/4 of frons (excluding lateral margins) dark brown, and frons orange centrally on anterior 1/4. Abdomen dark brown. Wing with light infuscation around all veins and with dark cloud around distal 1/3 of R 2 2+3. M 1+2 ratio 4.6.

Male terminalia

As described for H. nigripes except cerci rounded distally and not tapering medially, hypandrium + pregonite with additional strong central bristle, and distiphallus with ribs asymmetrical (one extension half length of that found in H. nigripes , and other extension short, stout, and truncate).

Female

Unknown.

Etymology

The specific name is derived from the collection locality.

Holotype: COSTA RICA. Alajuela: Volcan Tenorio, N slope, trail to laguna, ~ 1000m, sweeping, 18.vi.2000, S.A. Marshall (1 , INBC).

Comments

See comments for Heteromeringia nervosa .

Figures

Map 3: Distributions of Heteromeringia apholisapholis sp. n., H. zophinazophina sp. n., H. decora sp. n., H. nervosanervosa sp. n., H. volcanavolcana sp. n., H. nanellananella sp. n., H. nigrifrons KERTESZ, and H. fucata HENDEL.