20, 



ANDEENIDJE. 



27. Prosopis inorosa. 



Female. Length 5 lines. — Black, with yellow markings. The 

 clypeus with an oblong macula as wide as the clypeus above, and 

 tapering to an obtuse point near to the anterior margin ; the fla- 

 gelluin fulvous beneath. Thorax closely punctured ; the tubercles, 

 scutellum, and postscutellum yellow ; the enclosed space at the 

 base of the metathorax smooth. Abdomen closely and finely punc- 

 tured ; the apical margins of the segments very narrowly rufo- 

 piceous. 



Hob. Australia. 



28. Prosopis simillima. 



Female. Length 4 lines. — Black, with yellow markings. The head 

 closely punctured ; the face on each side of the clypeus yellow ; the 

 flagellum of the antenna) fulvous beneath. Thorax subopaque, 

 closely and finely punctured ; the tubercles, scutellum, and post- 

 scutellum yellow : wings hyaline and iridescent ; the metathorax 

 truncate, the enclosed space at its base rugose. Abdomen shining, 

 very closely and finely punctured. 



Hah. Moreton Bay. 



This species is from the same locality as P. confusa, Smith, and, 

 excepting in the colour of the abdomen, very closely resembles 

 it ; but the head of P. simillima is much narrower anteriorly, the 

 insect is smaller, and the thorax much more finely punctured. 



SPHECODES, Latr. 



1. Sphecodes volatilis. 



Male. Length 3J lines. — Black, the abdomen shining. Head very 

 closely punctured, opaque : the face densely covered with silvery- 

 white pubescence, also a thin pale pubescence on the vertex and 

 cheeks ; tips of the mandibles ferruginous ; antennae submoniliform. 

 Thorax strongly and closely punctured above, the metathorax 

 coarsely rugose at the base ; wings hyaline and iridescent, the ner- 

 vures pale rufo-testaceous ; the apical joints of the tarsi ferrugi- 

 nous. Abdomen very finely punctured ; the apical margin of the 

 first segment bright rufo-piceous. 



Hab. Trans-Baikal. 



2. Sphecodes rufiventris. 



Female. Length 4| lines. — Head and thorax black, wings fuscous, 

 abdomen red. The head closely punctured : the face before the 

 antenna) densely covered with while pubescence ; the clypeus 



