316 Ml'. Walker's Descriptions of 



16. Semiotus fulvicornis. 



Female. Green, shining ; head and thorax finely squa- 

 mous. Head broader than the thorax. Antennae tawny, 

 clavate, shorter than the thorax ; first joint green. Abdo- 

 men smooth, sublanceolate, angular beneath, about as long 

 as the thorax. Legs luteous. Wings cinereous ; veins and 

 stigma brownish ; ulna a little more than half as long as 

 the humerus ; radius shorter than the ulna ; cubitus much 

 shorter than the radius. Length of the body 1 line. 



17. Pachylarthrus 'j)i'Oinenis. 



Male. Golden-green, stout. Head and thorax tinely 

 squamous. Head rather broader than the thorax. An- 

 tennae luteous, stout, subfiliform, black at the tips, very 

 much shorter than the thorax. Abdomen smooth, flat, 

 narrow at the base, somewhat truncated at the tip, very 

 much shorter than the thorax. Legs luteous; hind femora 

 golden-green except towards the tips. Wings hardly cine- 

 reous, nearly pellucid; veins pale brownish; ulna abouthalf as 

 long as the humerus ; radius a little shorter than the ulna ; 

 cubitus much shorter than the radius ; stigma of moderate 

 size. Length of the body If line. Very near P. jiavicornis, 

 from which it is distinguished by its larger size and by the 

 colour of the hind femora. 



18. Fteiviiialtis ndcans. Uliv. 



19. PterumaliijS ohuntbratus. 



Male, ^neous black. Head and thorax very finely 

 punctured, red. Head somewhat broader than the thorax. 

 Antennae piceous, filiform, a little longer than the head 

 and the thorax together ; first joint tawny towards the 

 base. Abdomen smooth, subsessile, nearly linear, dark 

 ieneous, narrower and shorter than the thorax. Legs fer- 

 ruginous ; coxae and femora seneous. Wings dark cine- 

 reous ; veins black ; ulna less than half as long as the 

 humerus, a little shorter than the radius ; cubitus much 

 shorter than the radius. Length of the body If lines. 



One of the largest species of Pteromalus. I have found 

 it at Nice in May. It is most allied to B. pandeus. 



