10. A^THIDITJM. 167 



Nyland. Nutis. ur Stilish, pro Faun, et Flo. Fenn. i. 273 ; Mon. 

 Heriades, Mem. Soc. Imp. So. Nat. Cherh. iv. 111. 



Schenck, Nass. Bien. 347. 

 Gyrodronia florisomnis, Thorns. Hym. Scand. ii. 262. 

 Apis florisomnis minima, Christ. Hym. 197, tab. 17. fig. 18. 

 Apis rninuta, Schrank, Ins. Austr. 412 ? 



Female. Length 2\-2\ lines. — Black, shining, closely and finely 

 punctured. Head subglobose, as wide as the thorax ; the antennse 

 clavate ; mandibles bidentate, their apex rufo-piceous. The thorax 

 with a little hoary pubescence at the sides ; the metathorax trun- 

 cate, the wings subhyaline and iridescent ; the calcaria pale tes- 

 taceous, the claws of the tarsi ferruginous. Abdomen oblong and 

 cylindric, obtuse at the apex, densely clothed beneath with pale 

 yellow pubescence. B.M. 



Male. Length 2-%\ lines. — Closely resembles the female ; the fla- 

 gellum filiform and a little longer than the head ; the legs fre- 

 quently more or less obscure rufo-piceous ; the abdomen incurved 

 at the apex and bidentate ; beneath, with an elevated tubercle on 

 the second segment, the fifth concave and clothed with pale pubes- 

 cence. B.M. 



This little bee is rather local, but plentiful in many places ; five or 

 six may be frequently taken in a single flower of Campanula ro- 

 tundifolia : the males pass the night in those flowers. The species 

 appears in June. 



Genus 10. ANTHIDIUM. 



Apis (pi), Linn. Syst. Nat. i. 953 (1766). 

 Anthidium, Fair. Syst. Piez. 364 (1804). 

 Megachile (pt.), Latr. Hist. Nat. xiv. 51 (1805). 

 Trachusa (pt.), Juritie, Hym. 253 (1809). 



Head nearly as wide as the thorax ; ocelli in a triangle on the 

 vertex ; antenna? filiform, the scape subclavate, the basal joint of the 

 flagellum subglobose ; clypeus triangular, truncate at the base, 

 rounded anteriorly ( $ ), truncate ( S ) ', tongue elongate, nearly thrice 

 the length of the mentum ; paraglossce very short : labial palpi 4- 

 jointed, the first and second joints elongate, the second longest and 

 tapering to a point, near its apex the third and fourth minute joints 

 articulate, both being subclavate ; maxillary palpi 2-jointed, the basal 

 joint short and cup-shaped. Thorax subglobose ; the scvtellum trans- 

 verse and lunate, produced over the metathorax, which is truncate ; 

 anterior tuings with one marginal cell, which is as long as the two 

 submarginal ones united ; the second submarginal cell receiving the 

 first recurrent nervure near its commencement, the second sometimes 

 uniting with the apical nervure, and in some instances passing a 

 little beyond it ; the basal joint of the anterior and intermediate 

 tarsi as long as the tibiae ; the claws bifid. Abdomen convex, in- 

 curved, the base truncate ; densely clothed with long hair beneath. 



Male much larger than the female, the legs more elongate, and 

 the apex of the abdomen armed with spines. 



