Toxomerus incaicus Sack

Mengual, Ximo, 2011, Black-tie dress code: two new species of the genus Toxomerus (Diptera, Syrphidae), ZooKeys 140, pp. 1-26: 1

publication ID

http://dx.doi.org/10.3897/zookeys.140.1930

publication LSID

lsid:zoobank.org:pub:80638044-3BF5-4EDC-9E07-D000DE4ABC25

persistent identifier

http://treatment.plazi.org/id/AD996507-C0A8-6461-3DB1-5A211814361A

treatment provided by

ZooKeys by Pensoft

scientific name

Toxomerus incaicus Sack
status

 

Toxomerus incaicus Sack  Figure 27

Toxomerus incaicus  Sack 1941: 101. Type locality: Peru, Querobamba, and Bolivia [LT ♂, MTD].

Differential diagnosis.

Species with yellow face in both sexes, frontal triangle of male yellow and female frons with a medial broad black vitta. Sucutm black, green-grey pollinose with a lateral broad yellow vitta from postpronotum to scutellum. Scutellum yellow, black pilose. Legs entirely yellow except metatarsi dark brown. Wing mostly microtrichose, bare only on anterior margin of cells R, BM and CuP and cell R1 basally. Abdomen black with lateral margins yellow, tergum 1 with anterior margin yellow, and terga 6 to 9 yellow; terga 2 to 5 with a central dark pollinose macula; and terga 3 to 5 with two submedial, small, round yellow maculae.

Length

(2): body, 6.0-6.2 (6.1) mm; wing, 5.7-5.8 (5.7) mm.

Distribution.

Peru, Bolivia*.

Material examined.

1♂ 1♀ paralectotypes.

Remarks.

Toxomerus incaicus  has usually medial yellow maculae on terga 3 to 5. Again, this species should not appear in the present key. However, I included this species in case darker specimens might appear with completely black abdomen with lateral yellow margins.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Syrphidae

Genus

Toxomerus