id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
inhs-143	Irwin, Michael E.; Lyneborg, Leif L.	The Genera of Nearctic Therevidae	1980	96	.pdf	application/pdf	37890	2448	63	Female frons (Fig. 8) in most species has callus or calli that are large, shiny, black or at least subshiny medially Thereva Latreille (p. 216) 15. Scape (Fig. 6) distinctly longer and wider than first flagcllomcre. Frons of male at its narrow- est narrower than half width of anterior ocellus; frons of female at level of an- terior ocellus 2.2-2.5 X as wide as ocellar tubercle; male frons entirely tomentose, uniformly colored, and without pile; fe- male frons entirely tomentose, either uni- formly colored or upper part darker than lower part, or has a pair of dark, velvety spots; pile of female frons restricted to upper two-thirds and in most species short and sparse; head rather promi- nently protrudes anteriorly; a dull, dark- ened band crosses frons at antennal level, but facial and genal calH absent; lateral portion of face without pile ; genae have long pile; head 1.1-1.5X deeper than antennal length (Fig. 54 and 55) ; scape 0.8-1.2 X as long as flagellum, thickened in most species; flagellar style apical, stout, two segmented, with a small, ter- minal spine; palps one segmented.	cache/inhs-143.pdf	txt/inhs-143.txt