XYLOTA. 241 



iiiesopleiini with iniiiute stiff black liairs and ob\ious grevisli 

 pubescence. Scutelluiii coneolorous with thorax, with very short, 

 "whitish pubescence. Afn/omeii dull bJacli, finel}' punctate; 1st 

 segment aeneous ; 2nd towards each side with traces of a large 

 oeneous spot; 3rd and 4th with an apparent tendency to similar 

 coloration ; hind margin of 4th segment rather narrowly orange- 

 brown. Genitalia concealed, rounded, brown, twisted sideways, 

 with dense short soft brown pubescence. Pubescence of abdomen 

 short, inconspicuous, mainly yellow but white towards sides, and 

 longer towards sides of 2iid segment. Venter black, 2nd segment 

 dull brown. Legs rather short, bhick ; hind trochanters without 

 spur ; anterior tibia) brownish-yellow, a little paler at base and 

 tip; anterior tarsi yellowish; liind tibia? and tarsi black, tips of 

 former narrowly whitish. Pubescence of legs rattier incon- 

 spicuous, mainly whitish on femora but yellow towards tips of 

 hind pair, pubescence of tibia) and anterior tarsi white and 

 obvious. ]Vin(js grey, stigma distinct, dark brown; halteres 

 conspicuously yellow. 



Lenr/th, 8 mm. 



Described from 2 c? c? fi'om Shevaroys, Tercaud, 23. iv-4. v. 1913 

 (Fletcher). 



Tyjic m British Museum. 



187. Xylota cuprina, B\fj. 



Xylotd cupriyia, Bigot, Ann. Soc. Ent. France, (6) v, p. 247, c? 



S $ • Ihad : eyes in 6 touching for a distance about equal to 

 length of frons, the facets near point of approach slightly larger ; 

 vertical triangle brilliantly metallic-blue with soft pale hairs, 

 lower part with a little grey pubescence ; ocelli ruby-red. 

 Antennal prominence abruptly projecting, shining black, front 

 edge brownish-orange; anteniue dark brown, tip of 2ud joint 

 orange, 3rd grey-dusted; arista oi-ange-brown. Face black, 

 closely grey-dusted, only a little prominent at upper mouth-edge. 

 Occiput black, grey-dusted, lower margin with short grey 

 pubescence. In $ , frons a little narrower below than at vertex, 

 at base of antenna) forming one-fifth of the head ; shining black, 

 with bluish reflections and whitish dust. Thorax shining black 

 with more or less violet and cupreous reflections ; punctate ; a 

 whitish dust-spot on inner side of each humerus ; traces of a pair 

 of yellowish tomentose stripes from anterior margin, well 

 separated, which (apparently) do not attain hind margin ; pleune 

 moderately shining black, a tomentose whitish stripe extending 

 from in front of wing-base over mesopleura and sternojileura. 

 Sciitellum blue-black; punctate, shining, sometimes with a 

 ciipi'eoiis tinge. Ahdomen moderately shining indigo-black, or 

 with distinct violet reflections ; 4th segment towards ai)ex,and Hth, 

 ot'ten cupreous ; 2nd and 3rd with blackish hind margins, 



