•410 COLLET] D^. 



Nothing is on record of the habits of the Indian species. The 

 European species bore holes for their nests in bramble-sticks, and 

 in the holes construct cells lined with a thin transparent membrane 

 calculated to retain the honey with which they fill the cells. 



Key to the Species. 



A. Joints of antennae not distinct. 



a. Enclosed space at base of median segment 



finely rugose. 



a'. Front with a Y-shaped carina P. mixta, p. 410. 



b'. Front not carinate. 



ci^. Median segment posteriorly with a 



medial longitudinal carina P. strenua, p. 411. 



h^. Median segment not carinate P. mustela, p. 411. 



b. Enclosed space at base of median segment 



coarsely rugose, sometimes reticulate. 

 a'. Head finely punctured. 



a\ Tarsi black F.feai, p. 411. 



b-. Tarsi yellow. 



a^. No yellow mark on clypeus P.fervida, p. 412. 



P. An oblong yellow spot on clypeus . P. scutula, p. 412. 

 b'. Head coarsely punctured. 



a^. A spot on each side of basal abdo- 

 minal segment covered with grey 



pubescence . ._ P. absoluta, p. 412. 



b'. Basal abdominal segment with no 



pubescent spot P. bellicosa, p. 413. 



B. Joints of antennae distinct, moniliform .... P. monilicornis, p. 413. 



709. Prosopis mixta, Smith, A. M. N. H. (2) ix, 1852, p. 50, ? ; id. 

 Cat. i, p. 30. 

 Prosopis leucotarsis. Cam. Mem. Manch. L. Ph. Soc. sli, 1897. 



5 . Head, thorax, and abdomen smooth, a few scattered punc- 

 tures on the apical margins of the 2nd and following segments ; 

 face slightly elongate ; clypeus flat, produced anteriorly, front 

 above it carinate, the cnrina forking below the 

 anterior ocellus, the lateral branches running 

 one on each side up to the posterior ocelli ; a 

 deep hollow round the base of each antenna ; 

 ^^^ median segment roundly steep at the sides and 

 / Mm^k posteriorly, the enclosed space at base above 

 slightly concave, finely rugose. Black, shining ; 

 \ "^^ the clypeus, the face just above it, and the 

 Fi". 130.— Prosopis tubercles yellow ; the apical four joiuts of the 

 mixta, 5 . {. tarsi and the apical margins of abdominal seg- 

 ments 2-5 rufo-testaceous ; the tibia) and tarsi, 

 the apical half of the 2nd, and the whole of the following abdo- 

 minal segments clothed thinly with pale glittering hairs ; wings 

 hyaline and iridescent, nervures and tegulae very pale testaceous. 

 Eah. India (Smith). $ . Length 5 ; exj^- 9 mni. 



