Quichuana, Ricarte, Antonio, Marcos-García, M. Ángeles, Hancock, E. G. & Rotheray, Graham E., 2012

Ricarte, Antonio, Marcos-García, M. Ángeles, Hancock, E. G. & Rotheray, Graham E., 2012, Revision of the New World genus Quichuana Knab, 1913 (Diptera: Syrphidae), including descriptions of 24 new species, Zoological Journal of the Linnean Society (Zool. J. Linn. Soc.) 166 (1), pp. 72-131 : 104

QUICHUANA MOZOTALENSIS RICARTE & MARCOS- GARCÍA SP. NOV.

Description

Female (holotype)

Head: Eye hairs light brown and denser on the upper third, otherwise white; ocellar triangle with black hairs; frons with black hairs and, dorsally, intermixed with pale hairs; hairs on frons dorsally laterally directed; dorsal area of the frontal prominence only with black anteriorly directed hairs; frons with golden yellow hairs only on the eye margins, and not extending beyond the ocellar triangle; frons with sparse brownish pollinosity medially and, on the pale-haired areas, laterally; scape dark brown; pedicel light brown; basoflagellomere oval, nearly black; bf = 1.3; ventral area of the frontal prominence brownish and white pollinose below the antennae; face black with long golden yellow hairs, except for a bare central shiny stripe extending from the frontal prominence to the mouth edge; gena with a white pollinose stripe from the eye margin to the mouth edge; occiput with white pollinosity on the eye margins; occiput with long golden yellow hairs and, on the upper third, a line of long black hairs.

Thorax: Black; scutum with two brownish pollinose approximated stripes, faintly reaching the posterior margin, yellow haired except for a few black hairs behind the TS and on the area above the wings; PAPT posterodorsally, NP, and PC with tufts of golden yellow hairs; scutellum dark brown, black on the lateral corners; scutellum mainly pale haired, but with black hairs centrally; profemur red except for the black basal two-thirds posteroventrally; mesofemur red; metafemur black except for the red apical third; pro- and mesotibia red; metatibia red but with darkened markings on the apical half; tarsi red; femora and tibiae mostly yellow haired, but always with at least a few black hairs or setae; wings extensively microtrichose, only sparsely microtrichose or bare in narrow areas close to the veins; anterior half of the wing with light-brown pigmentation.

Abdomen: Terga II–III each with two lateral red markings; tergum II with the red markings triangular-shaped and extending on the full length of the lateral margins; more than half of the surface of tergum II black; red markings on tergum III touching all the margins of the tergum; tergum I with a moustache arrangement of golden yellow hairs, with a gap of about a third of the tergum width; terga II–IV with golden yellow hairs, but black hairs posteriorly and laterally; posterior margin of terga II–IV posteriorly fringed with adpressed yellow hairs; tergum V mostly black haired, but with yellow hairs posteriorly.

Male

Unknown.

Etymology

The epithet ‘ mozotalensis ’ means ‘from Mozotal’, and refers to the type locality of this species.

Material examined

Holotype: 1f, Mexico, Chiapas, Mozotal , ex larva, 02.iv.2002, leg. J. R. Verdú (Ref. 223) ( CEUA).

Range

Mexico.

Taxonomic notes

Large species (12.6 mm) with broad abdomen. To separate from the similar Q. solitaria sp. nov., see ‘Taxonomic notes’ under this species.