Quichuana personata, Ricarte & Marcos-García & Hancock & Rotheray, 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 : 105-106

QUICHUANA PERSONATA RICARTE & MARCOS- GARCÍA SP. NOV.

FIGURE 54

Description

Female (holotype)

Head: Ocellar triangle with black hairs; black frons, with whitish hairs and, posteriorly, a few black hairs; frons with white pollinosity medially; antenna black except for the red arista; basoflagellomere elongate ( Fig. 54 ); bf = 2; face with a central shiny stripe and two lateral shiny stripes outlined with white pollinosity; gena with a thinly pollinose stripe, extending from the eye margin to the mouth edge; occiput white pollinose next to the eye margins, white haired and with a line of long black hairs on the upper third.

Thorax: Black scutum, covered with sparse greyish pollinosity and two medial approximated stripes of denser pollinosity extending as far as three-quarters of the scutum; scutum white haired in front of the TS and mainly with short black hairs behind; area above the wings and anterior area of the PC black haired; pleuron black; PAPT posterodorsally, NP, and PC with sparse groups (non-tufted) of long pale hairs; scutellum shiny, copper, white haired, and with a few black hairs; femora black, except for a short reddish section at the apex; tibiae black with brownish markings and a short reddish section at the base; tarsi black dorsally, except for the brownish basotarsomere; all legs mainly pale haired, with a few black hairs on some areas of femora, tibiae, and tarsi; wings extensively microtrichose; anterior third of the wing lightly brown pigmented; calypteres white except for the black margins and the marginal hairs.

Abdomen: Black; tergum I with a moustache arrangement of white sparse hairs; tergum II extensively covered with white hairs and scattered black hairs at the posterior margin; tergum III extensively black haired, only with white hairs on a narrow band of the anterior margin; terga IV–V extensively white haired, but with scattered black hairs intermixed.

Male

Unknown.

Etymology

The epithet ‘ personata ’ means ‘masked’, and refers to the facial ornamentation, reminiscent of a mask, with alternate pollinose and shiny stripes.

Material examined (CEUA)

Holotype: 1f with puparium, Venezuela, Edo Miranda, San Antonio de los Altos , IVIC, 1650 m, larva 2.ii.2007, adult 9.ii.2007, leg. CPB.

Paratype: VENEZUELA: 1f with puparium, Edo Miranda, San Antonio de los Altos , IVIC, 1650 m , larva 2.ii.2007, adult 12.ii.2007, leg. CPB .

Range

Venezuela.

Taxonomic notes

Medium size species (10.2 mm) with moderately broad abdomen. To separate Q. personata sp. nov. from the similar Q. cestus , see ‘Taxonomic notes’ under this species.

Figures

Figures 51–55. Quichuana right antennae, lateral inner view: 51, Quichuana seiferti sp. nov., male paratype; 52, Quichuana zoricae sp. nov., female paratype; 53, Quichuana melas, male holotype; 54, Quichuana personata sp. nov., female holotype; 55, Quichuana pogonosa sp. nov., male from type locality. Scale bars: 1 mm (lower bar applies to Fig. 55 only).