ANDRENID^E. 301 



with a yellow spot on each side, margins of the segments 

 generally moie or loss black, dorsal valve in the S sharply 

 emarginate, beneath ferruginous, sides of the fifth segment 

 in the $ with a dense tuft of black hairs, eighth in the ^ 

 with a very long laterally fringed apical process scarcely 

 dilated at the apex, which has a fine somewhat reflexed 

 spine at each side; legs black, knees, anterior femora, and 

 anterior, intermediate, and sometimes posterior tibito pale 

 in front. 

 L. 7-9 mm. 



Not rare and widely distributed j end of March to August, 

 probably parasitic on Andrcna Givynana. Smith says on 

 Fanurgvs Banksianus ; very probably it associates with 

 several species, and is double brooded. It has not yet been 

 recorded from Scotland or Ireland. 



N. flavoguttata, Kirhy. — Smaller than any of the pre- 

 ceding and more slender, head and thorax black, clothed 

 with pale hairs, which are longer, more abundant and 

 greyish in the ^ , mandibles, clypeus, except at its base, and 

 cheeks at its sides flavous in the S , ferruginous in the ? , 

 labrum black in both sexes, antennte rather unusually long 

 with the scape black, the flagellum ferruginous, more or 

 less dark posteriorly, fourth joint twice or more in the ^f , 

 nearly twice in the $ as long as the third ; thorax with the 

 tubercles and tegulte testaceous in both sexes, pronotal 

 collar, scutellum, or two spots on it, postscutellum, 

 genei-ally two lines on the mesonotum, and a spot on each 

 of the mesopleura; in the ? ferruginous, wings smoky 

 with a dark apical margin, propodeum shining at the base, 

 with a tuft of silvery hairs in the ? on each side above the 

 insertion of the abdomen ; abdomen ferruginous, black at 

 the extreme base, second and third segments with a flavous 

 spot on each side, very small in the ? , these spots are not 

 well defined, and often are scarcely noticeable or absent, 

 third and fourth segments at the apex, and fifth at 

 the base dark, apex of the fifth in the ? , clothed with 



