141 E. E. AUSTEN. 



a transversely oblong spot occupying ocellar region of vertex but not extending to 

 eyes, a pair of somewhat guttate spots in centre of front, indistinctly connected 

 with foregoing spot but likewise not in contact with eyes, and an oblique spot on 

 each side below, extending from base uf antenna to eye, above the light (olive-buff 

 or pale olive-buff) spot already mentioned ; front in ^J clothed with black hair, 

 in 5 with shorter blackish hair, mingled with paler hair in upper portion, posterior 

 orbits in both sexes fringed above with yellowish hair and below with longer whitish 

 hair, basi-occipital region and jowls densely clothed with fairly long, whitish hair, 

 lower borders of sides of face clothed posteriorly with black or blackish hair, more 

 conspicuous in (^ than in $ ; palpi russet-brown in (J, russet in 5, terminal segment 

 (elongate and very narrow in ^J) clothed with minute black or blackish hairs, proximal 

 segment, especially in $, clothed below with longer hair, brownish or blackish 

 brown anteriorly, yellowish or whitish posteriorly ; antennae russet, first and second 

 joints more or less smoke-grey pollinose, clothed with black hair. Thorax : dorsum 

 clothed anteriorly with silky, tawny oHve or ochreous hair, posteriorly, including 

 base of scutellum, with fine, erect, black hair, postalar calli, and scutellum, except 

 as stated, clothed with Naples yellow or cream-buff hair, hairy covering of central 

 portion of dorsum visible only when viewed from side ; pleurae and pectus clothed 

 with longish hair, for most part cream-buff (whitish on propleurae) in colour, a tuft 

 of black hair (less conspicuous in $, in which sex it is often much reduced) below 

 base of wing on each side ; sternopleurae in (J sometimes clothed mainly with black 

 or blackish hair. Abdomen : hind border (distal third or rather less) of second 

 (visible) tergite clothed with minute, appressed hairs, which are silvery white or 

 whitish at and towards lateral extremities of segment, and sparser and more yellow- 

 ish (often glistening cream-buff) in vicinity of median line (owing to paler ground 

 •colour, whitish transverse band thus formed is, except at lateral extremities, less 

 conspicuous than corresponding band on fourth segment) ; base of first (visible) 

 tergite with a blackish brown, median area, extending beyond scutellum, but not 

 •or barely reaching hind margin except in middle line in ^J, in which sex it is more 

 or less distinctly connected with triangular spot on second segment ; blackish 

 brown median triangle on second tergite in (J with its base resting on or close to 

 anterior margin, and its apex reaching or extending somewhat beyond middle of 

 -segment ; third tergite sometimes irregularly paler (cinnamon-brown) at base and 

 •on hind border ; hairs in silvery white transverse band on fourth tergite somewhat 

 yellowish in vicinity of middle line ; seventh tergite in ?, as well as frequently 

 hind borders of fifth and sixth tergites, often dull fuscous ; lateral extremities, 

 or at least posterior angles, of fifth and sixth tergites each clothed with a prominent 

 tuft of silvery white hair ; posterior angles, as well as in $ hind margin of first 

 (visible) tergite clothed with shining ochreous or pale ochraceous orange hair ; 

 dorsum of abdomen except as already stated clothed with minute, appressed, black 

 hairs ; first (visible) sternite bare, second sternite clothed with minute, appressed, 

 glistening cream-coloured hairs (anterior border of second sternite fringed with fine, 

 €rect, black or blackish hair, shorter and less developed in 5 than in (J, in which 

 sex fine, recumbent, black hairs are also present among the cream-coloured hair, 

 especially towards lateral extremities of the scute), blackish brown portion of venter 

 clothed with black hair, among which a few pale hairs are occasionally present 



