N. Kurdjumov (Poltava). 

 One new aphis-feeding braconid. 



(With 1 fig.). 



H. Курдюмовъ (Полтава). 



Новый браконидъ, паразитирующ1й на тляхъ. 



(Съ 1 рис.). 



Diaretus (Aphidius) obsoletus, sp. п. 



$. Length 2,5 mm. Antennae 13 jointed. The ultimate joint 

 consists sometimes of two joints with the margins either obsolete 

 or well defined, thus making antennae 14 jointed. The specimens with 

 14 jointed antennae are scarce. Antennae longer than the head and 

 thorax united. Mesonotum without furrows. On the anterior wings 

 (fig. 1), cubital and transverso-cubital veins wanting. Second discoidal 

 cell closed. Radial vein very short. Propodeum carinated and areolated, 

 with slight punctures. Abdo- 

 men longer than the head and 

 thorax united, petiol about twice 

 as long as wide at apex, spi- 

 racles not prominent. Sheets 

 of the ovipositor straight. 



Chestnut-black. Clypeus 

 and mouth parts yellowish, 

 palpi whiteyellow. Antennae 

 brownish at base. Stigma and 



radial vein lemonyellow on the living insects, grayish on dead speci- 

 mens. Other veins brownish. Legs, including coxae, brown-yellow or 

 brownish. Anterior legs, trochanters and knees sometimes yellow, fe- 

 mora and tibiae always darker in the middle. First abdominal segment 

 yellow or yellowish, second brown, sometimes yellowish at base and 

 apex; other parts of the abdomen brown. 



Fig. 1. Anterior wing of Diaretus obsole- 

 tus, sp. n. 



Рччч'к. Эитом. Оопзр. xm. 1913. № 1. 



