Pachylophus aristalis
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Ordo: Diptera
Familia: Chloropidae
Genus: Pachylophus
Name
Pachylophus aristalis Deeming, 2018 – Wikispecies link – Pensoft Profile
- Pachylophus aristalis Deeming, John C., 2018, Zootaxa 4482: 5-7.
Diagnosis
Diagnosis.A black species with yellow head and legs, black undusted frontal triangle, black thorax, the greater part of the pleura heavily grey dusted, the wing long and narrow and the arista (Fig. 4) having the sum of the lengths of the first two segments equal to the length of the third.
Description
Description. Male. Head as long as deep; frons hardly projecting in front of eye; frontal triangle straightsided, extending almost to anterior margin of frons, with the whole field anterior to ocellar prominence concave; occiput black throughout and dark grey dusted; combined parafacial and gena one third of height of eye, bearing numerous short pale setulae, it and the face silvery grey dusted throughout; palpus yellow; antenna infuscate, with basal half of postpedicel dirty yellow on inner surface; postpedicel rounded, deeper than long, its dorsoapical angle a right angle. Thorax black, dirty yellowish brown on prosternum and lower part of meron, heavily grey dusted, shining on cervical sclerites, anterior half of anepisternum and that part of katepisternum adjacent to it, the extreme lower margin of anepisternum and its raised posterior rim; scutum heavily punctured, the dusting slightly darker between the dorsocentral lines, along the intraalar lines and onto scutellum; setae very weak, the 2 notopleurals equally fine, the dorsocentral and postalar indistinguishable from the surrounding short fine setulae and the single pair of marginal setae on the apically rounded scutellum fine and widely separated. Legs including coxae dirty yellow, the mid and hind femur each with a tiny shining black apical spot both anteriorly and posteriorly; tarsomeres slightly infuscate, especially the more apical ones; sensory area of hind tibia conspicuous and occupying middle one third of its length. Wing long and narrow, the discal cell long and narrow, the distance separating crossveins equal to three times the length of the posterior crossvein; squama grey with fringe grey; haltere with stem black and knob creamy yellow.
Abdomen yellow with tergites black and heavily dark grey dusted.
Length about 3.5mm, of wing 3.5mm.
Female unknown.
Materials Examined
South Africa SOUTH AFRICA South Africa Van Staalens Pass Van Staalens Pass & B. & P. Stuckenberg Angola A N. Santa Comba
Taxon Treatment
- Deeming, John C.; 2018: A revision of the Afrotropical species of Pachylophus Loew (Diptera: Chloropidae) and some related Ovoviviparous genera, Zootaxa 4482: 5-7. doi
This treatment was originally uploaded by Plazi, compare this treatment on Plazi. Unless this treatment has been substantially changed on Species-ID, Plazi requests to maintain a link back to the original repository.
