88 Mr. R. E. Turner on Fossorial Ilymenoptera. 



Hab. E. tricolor tricolor, Sm., Borneo. 



E. tricolor longiceps, subsp. n., Dibrughur, Assam. 

 E. tricolor skuckardi, subsp. n., India (probably the 

 South or West), ex coll. Shuckard. 

 E. dimidiaticornis, Bingh., and E. crassepunctata, Turn., 

 Mill probably prove to be the males of the two Indian sub- 

 species. 



Superfatnily Spiiecoidea. 



Subfamily Spiiecinm. 



Sphex {Psammophila) lutaria, Fabr. 



Sphex lutaria, Fabr. Mant. Insect, i. p. 273 (1787). 

 Ammophila affinis, Kirby, Trans. Lina. Soc. iv. p. 195 (1798). 



Specimens from Gyangtse, Tibet, have the first tergite 

 almost entirely black. 



S. hirsuta, Scop., occurs in the same locality. 



Sphex (Psammophila) mahatma, sp. n. 



$ . Nigra ; abdomine segmentis primo, secundo, tertio quartoque 

 dimidio basali rufis ; fenioribus anticis apice extremo subtus, 

 tibiis anticis subtus, tarsis anticis, articulo primo basi nigro, 

 tarsisque intermediis et posticis articulis tribus apicalibus ferrugi- 

 neis ; alis subbyalinis, venis nigris. 



Long. 12-19 nun. 



$. Hairs of the head and thorax black, sparse ; inner 

 orbits parallel ; posterior ocelli separated from the eyes by 

 a distance about equal to the length of the third joint of 

 the flagellum. Front densely, clypeus and vertex much 

 more sparsely punctured ; pronotum, mesonotuin, and 

 scutellum shining, very sparsely punctured ; the meso- 

 pleurse closely and rather indistinctly striated with large 

 punctures between the striae. Median segment opaque, 

 transversely striated ; the striae very fine and close, only 

 visible with a lens ; the sides and apical slope of the 

 segment more coarsely striated. Anterior coxae not tuber- 

 culate at the apex ; joints of the fore tarsi strongly 

 asymmetrical ; pulvilli distinct, not very small; tarsal 

 ungues with a very minute tooth at the base. Petiole as 



