88 G. BEEVIPALPIS : HEAD, THOEAX, ABDOMEN. 



less strongly developed, the size heing often larger, and the general 

 appearance usually bulkier. 



"Head cream-buff, posterior surface greyish ; frontal stripe 

 buff, or light raw-sienna coloured ; ocellar spot light brownish, 

 inconspicuous, ocelli relatively large ; face (including facial pit), 

 frontal margins narrowly, and posterior orbits below shimmering 

 whitish-yellow pollinose ; bases of vertical bristles connected by 

 a more or less distinct brown or brownish band ; eyes with their 

 transverse diameters longer than in G. fusca, so that, when the 

 head is viewed from above, its lateral portions appear somewhat 

 flattened in an antero-p^psterior direction ; antennae buff or cream- 

 buff, second joint brown on inside, third joint brown or dark 

 brown except extreme base or proximal third, anterior distal 

 extremity of third joint often prominent, arista buff, terminal 

 joint fairly stout, dark brown at base beneath, branched hairs 

 eighteen to twenty-two in number ; palpi buff, lighter in colour 

 as well as shorter than in G. fusca and also stouter, mouse-grey 

 on upper portion of outer surface and darker at tips ; p)rohoscis 

 bulb pale yellow, often with a brown spot on its upper margin on 

 each side. 



Thorax light mouse-grey or Isabella-coloured, dorsum in 

 rubbed specimens sometimes tinged with fawn colovir, series of 

 markings on dorsum, as described for G. palpalis, much reduced 

 and often very inconspicuous, mouse-grey or light brown ; most 

 distinct are the two narrow admedian stripes, the narrow curved 

 stripe outside these on each side, two faint blotches enclosed by 

 each curved stripe, one in front of and one behind the transverse 

 suture, and the spot on the suture, between the admedian and 

 the curved stripe on each side ; spot on inner margin of humeral 

 callus usually very faint ; dark blotches on pectus (sternopleurae), 

 which are often conspicuous in G. fusca, scarcely visible, or 

 brownish in colour and faintly indicated ; scutellum greyisk- 

 brown, margin and impressed median line buff or cream-buff, 

 apical scutellar bristles in 9 of medium length. 



Abdomen.- — Dorsum dark brown, first segment, and also 

 second segment to a greater or less extent, paler, ochraceous-buff 

 or cinnamon-coloured, extreme hind margins of second to sixth 

 segments inclusive usually pale (cream-buff), posterior angles of 

 these segments drab-grey or smoke-grey, dark brown area 

 occupying third to sixth segments inclusive, sometimes distinctly 

 broken up into a series of interrupted transverse bands ; seventh 



