172 Rev. T, A. Marshall's mono(jraph of 



6. Blacas hastatus, Hal. 



Blacus hastatus, Hal., Ent. Mag., iii., 121, ? . 



B. tcrchrator, Kuthe, Berl. ent. Zeit., 1861, p. 142, 



<? ?. 

 Black, mouth and legs nifo-testaceous, hind tibiaa and tarsi some- 

 what darker. $ antennaj shorter than the body, rather stout, 

 filiform, 17-jointed, brown, darker towards the apex; 1st joint of 

 the fiagellum half as long again as the 2d. Cheeks partly testa- 

 ceous ; palpi brownish. Prothorax piinctato-rugose, the sides 

 smooth above ; seutellum obtuse, more or less rugulose ; meso- 

 pleurse with a punctate furrow ; metathorax short, truncate 

 posteriorly and bidentate, the posterior face much shorter than the 

 dorsal ; rugulose, tricarinated, the 2 lateral carinae ending in an 

 obtuse angle. Wings infumated, narrow ; radix, squamulne, and 

 nervures fuscous; stigma somewhat paler; 1st abscissa of the 

 radius originating a little bej'ond its middle, much shorter than the 

 intercubital nervure ; anterior angle of the prsediscoidal areolet 

 complete ; radius curved at the base. Legs darker than those of 

 the (J . Abdomen shorter and narrower than the thorax, lanceolate 

 above, compressed towards the apex, and, viewed laterally, clavate ; 

 1st segment about 3 times longer than broad, scarcely widened 

 behind, minutely striated, margined, bicaxiiaated at the base. 

 Terebra subarcuate, one-half longer than the abdomen. <? similar; 

 antennae as long as the body, or somewhat longer, setaceous, 

 20 — 21-jointed, the basal joints rufous beneath; legs paler ; abdo- 

 men narrower. Length, 1:^; wings, 2^ lin. 



Not common ; Curtis appears to have taken one $ , 

 which Haliclay described ; Eiithe possessed two pairs, 

 found near Berlin ; and in my collection are 3 females, 

 1 male, taken in Northants, Leicestershire, and Wilt- 

 shire. 



7. Blacus paganus, Hal. 



Blacnspaganus, Hal., Ent. Mag., iii., 122, J . 



B. brcvicomis, Kuthe, Berl. ent. Zeit., 1861, p. 146, ? . 



:•* B. luunilis, Wesm., Nouv. Mem. Ac. Brux., 1835, 

 p. 95 (partly), not of Nees. 



$ . Black or piceous ; legs rufo-piceous ; mandibles rufous ; 

 palpi piceous, the 2 last joints of the maxillary pale. Antennae 

 stout, moniliform, not longer than the head and thorax, not incras- 

 sated towards the apex, 17-jointed (the last joint consisting really 

 of two united). Thorax irregularly punctulate, pubescent ; pleurae 

 rugulose. more finely beneath the wings and in the shallow furrow ; 



