Insects. 409 



have also taken the Nomada, in the first instance only three speci- 

 mens, this season 1 took fourteen males and females in about equal 

 proportions. One locality for these insects is at Weybridge, on the 

 little patch of common south of the rail-road station, and is found at 

 the south-west corner in the beginning of August ; the other locality 

 is in Hampshire, at the corner of an extensive common. 



Andr&na argent ata. Female ; length 4 lines. Head ; the cly- 

 peus very minutely and delicately punctured, with a few scattered 

 larger punctures intermixed ; from the base of the antenna? to the oc- 

 ciput delicately longitudinally striated ; the inner orbit of the eyes 

 with a line of pale silvery hairs ; antennae black above, piceous be- 

 neath. Thorax thinly clothed above with pale fulvous hairs ; all the 

 legs clothed with silvery hairs, the floccus on the posterior pair sil- 

 very white ; the tibiae clothed with hairs of the same colour; all the 

 tarsi pitchy red. Abdomen shining black, the margin of the second, 

 third and fourth segments with a band of silvery hairs, the centre fus- 

 cous, the margins of the segments beneath have also a fringe of sil- 

 very hairs. Male; length 3 lines. Closely resembling the female, 

 except that the thorax is altogether clothed with silvery hairs, and the 

 abdomen has an additional band of silvery hairs, also a few silvery 

 hairs on the lateral margins of the first segment. 



Nomada baccata. Female ; length 3j lines. Head rufous ; a 

 short black line at the base of the antennae below, and a black patch 

 above, reaching half way towards the anterior stemma; another 

 black patch encloses the stemmata ; the tip of the mandibles black ; 

 antennae totally rufous. Thorax rufous ; with three black lines ex- 

 tending from the collar to the scutellum, which is enclosed by a black 

 line running down the centre of the metathorax to its base ; a black 

 patch extends from the base of the wings to the intermediate coxae, 

 inclosing a minute rufous tubercle, also a minute black spot at the 

 base of each wing ; all the coxae have a black stain above ; extreme 

 base of the femora black ; all the tibiae and tarsi entirely rufous ; the 

 wings have a dark cloud at their tips, inclosing a distinct pale lunule. 

 Abdomen rufous ; the base of the first segment is maculated with 

 black, somewhat in the form of the letter M ; the second segment has 

 lateral, wedge-shaped, cream-coloured spots, the third has two small- 

 er spots, the fourth a narrow line across, slightly interrupted in the 

 centre, the fifth has a large transverse patch, also cream-coloured, be- 

 neath ; the abdomen is immaculate. 



Male ; length, 2f lines. Head black ; clypeus yellow covered with 

 a silvery pubescence : the whole head is covered with long, scattered, 



