Sarginae, Walker, 1834

Lessard, Bryan D., Yeates, David K. & Woodley, Norman E., 2020, Review of Australian Sarginae Soldier Fly Genera (Diptera: Stratiomyidae), with First Records of Cephalochrysa, Formosargus and Microchrysa, Records of the Australian Museum 72 (2), pp. 23-43 : 26-27

publication ID

https://doi.org/ 10.3853/j.2201-4349.72.2020.1683

publication LSID

lsid:zoobank.org:pub:184539DF-E8DD-4A48-8E38-70B7860D6134

DOI

https://doi.org/10.5281/zenodo.4654258

persistent identifier

https://treatment.plazi.org/id/0386879A-FFC6-EE5F-FB81-FC14FAA3FD57

treatment provided by

Felipe

scientific name

Sarginae
status

 

Key to Australian Sarginae View in CoL genera

1 Wings with R 2+3 arising proximal to or above r-m; membranous strap-like lobe absent at base of wings; yellowish brown flies, usually not metallic ................................................................................................................... 2

—— Wings with R 2+3 arising distal to r-m, usually beyond discal cell; membranous strap-like lobe present at base of wings; metallic flies .............................................................................................................................. 3

2 Frons wide and almost parallel in females; face slightly anteroventrally produced to form a small beak-like protuberance visible in profile view; scutum with a distinct black medial vitta; wings with vein M weak and nearly unpigmented between cells br and bm, M 1 and M 3 very weakly developed, M 4 connected to discal cell (i.e. dM 3+4 absent); alula reduced, almost linear ( Fig. 4 View Figure 4 ) ..................................................................................... Formosargus James, 1939 View in CoL

—— Upper frons converging ventrally in females; face evenly rounded in profile view; scutum concolorous yellowish brown ( Figs 9 View Figure 9 , 10 View Figure 10 ) or dully metallic ( P. longipes View in CoL ; Figs 7 View Figure 7 , 8 View Figure 8 ), without any distinct markings; wings with vein M noticeably pigmented between cells br and bm, M 1 and M 3 well developed, M 4 separated from discal cell at least slightly by dM 3+4; alula large and apically expanded ............................................................................... Ptecticus Loew, 1855 View in CoL

3 Head anteriorly produced in dorsal view, more circular and less than 1.5 times as wide as high in frontal view; occiput narrowly visible in dorsal view, with a prominent, posteriorly projecting fringe of hair-like setae; frons extremely narrow in females (index> 4), narrowly dichoptic in males by width of anterior ocellus; frontal ocellus distant from posterior ocelli, forming an elongated triangle; wings with all medial veins strong; CuA strongly curved, petiole vein CuA+CuP relatively long; apical half of alula set with microtrichia; abdomen slender elongate, about twice as long as wide ( Figs 11–15 View Figure 11 View Figure 12 View Figure 13 View Figure 14 View Figure 15 ) .............................................. Sargus Fabricius, 1798 View in CoL —— Head anteroventrally compressed in dorsal view, more than twice as wide as high in frontal view; occiput well developed and visible in dorsal view in females, both sexes without an obvious posteriorly projecting fringe of hair-like setae; frons wide in females (index <2), holoptic in males; ocelli forming an equilateral triangle; wings with at least some faint medial veins; CuA relatively straight, petiole vein CuA+CuP short; surface of alula bare of microtrichia; abdomen short, broad and ovoid, about 1.2–1.4 times as long as wide .......................................................................................... 4

4 Small species (length <6 mm); head more rounded in anterior view, about 0.75 times as high as wide; lower frons without distinct triangular callus; wing cell r 1 stained yellow; all medial veins faint ( Figs 5 View Figure 5 , 6 View Figure 6 ) ........................................................................... Microchrysa Loew, 1855 View in CoL

—— Medium sized species (length ≥ 6 mm); head dorsoventrally compressed in anterior view, about 0.6 times as high as wide; lower frons with a distinct triangular callus diverging ventrally towards base of antennae; wing cell r 1 stained brown; veins M 2 and M 4 strong ( Fig. 3 View Figure 3 ) ................................................................... Cephalochrysa Kertész, 1912 View in CoL

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Stratiomyidae

Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF