266 Mr. T. D. A. Cockeiell — Descriptions and 



Lithurgus scahrosus (Smith). 



? . — Dapitan, Mindanao {Baler, 3135). L. guamensis, 

 Ckll., is very closely allied, and may prove to be a form of 

 scabrosus. 



MegackUe clotho, Smith. 

 5 ^ J^ .—Dapitan, Mindanao {Baker, 3133, 3131). 



Prosopis pidchricrus, sp. n. 



^ . — Length about 5 mm. 



Very robust ; black, with the face creamy white, and the 

 tubercles (except for a dark dot) of the same colour, but all 

 the rest of the thorax and abdomen dark, the hind margins 

 of the abdominal segments very obscure reddish; femora 

 clear pale ferruginous, more or less cream-coloured apically, 

 tibiae of the same red with the base (half of outer side of 

 hind pail) cream-colour, tarsi pale red, the liind basitarsi 

 cream-colour except at apex. Face broad, the long clypeus, 

 labrum, mandibles, large equilaterally triangular supra- 

 clypcal mark, and lateral face-marks (filling space between 

 clypeus and eye, and extending upwards, rapidly narrowing 

 to a point on orbital margin somewhat below middle of 

 front) all creamy white ; front just above antennse Avith fine 

 appressed plumose white hairs ; front and mesothorax very 

 densely, rather coarsely (for such a small insect) punctured ; 

 antennai rather short for a male, light ferruginous, scape 

 cream-colour in front, third and fourth joints extremely 

 short ; tegulae testaceous with a light yellow spot. Wings 

 milky hyaline, nervures and stigma fuscous ; first r. u. 

 joining second s.m. not far from base. Abdomen broad, 

 very finely punctured ; venter without projections, first 

 ventral segment with broadly hyaline margin. 



Hah. Yarrawin, N.S.W. {Froc/gatt, 24-8 c). 



In my table of Australian Prosopis this runs to 34, and 

 runs out on account of the creamy-white face. It is a very 

 distinct species. 



Allodape diminuta, sp. n. 



J , $ . — Length about 5 mm. 



llesembling A. simillima, Sm., but male with scape white 

 in front, and both sexes much smaller. Tubercles and scale 

 at base of wings cream-colour ; hind basitarsi of male cream- 

 colour, with the small joints ferrnginous. face-mark in 



