AMMOBATES. EPEOLUS, 101 



7. Nomada montezumia. 



Female. Length 4 Hues. — Black, with yellow markings. The face 

 with a yellow oblong spot at the inner orbit of the eyes anteriorly ; 

 the labrum covered with white pubescence as well as the lower 

 part of the cheeks ; the scape and two or three of the basal joints 

 of the flagellum ferruginous beneath. The mesothorax smooth, 

 shining, and impunctate, with a central impressed longitudinal 

 lino, and a short one on each side near the tegulse ; the margin of 

 the prothorax, the hinder margin of the scutellum, and the post- 

 scutellum yellow ; wings hyaline, and with the anterior margin of 

 the fore wings dark fuscous ; the legs and entire insect pubescent 

 beneath. Abdomen with a transverse yellow fascia in the middle of 

 the first and second segments, that on the latter widest ; the fourth 

 and fifth with their basal margins yellow, the latter broadly so. 



Male. Rather smaller than the female, but closely resembles it : 

 it differs in having the clypeus and a spot above it, the lal)rum, 

 and mandibles, yellow, in the mesothorax being punctured, and in 

 the legs being more or less ferruginous. 



Hah. Mexico, Orizaba. 



AMMOBATES, Latr. 



Ammobates rufitarsis. 



Female. Length 4| lines, — Head and thorax black ; abdomen fer- 

 ruginous, with the extreme base and apex black. The face clothed 

 with white pubescence, as are also the labrum and cheeks, the 

 latter thinly so. The metathorax, the sides, and beneath with 

 white j)ubescence ; the tarsi and posterior tibiae ferruginous, the 

 latter externally set vnth short serrations ; wings subhyaline, 

 faintly clouded at their apex ; the ner\Tires dark rufo-fuscous. 

 Abdomen slightly pubescent at its base, very finely and closely 

 punctured ; the fourth and fifth segments with white pubescent 

 marginal fasciae. 



Hah. Siberia, Angara. 



EPEOLUS, Latr. 



1. Epeolus natalensis. 



Male. Length 4 lines. — Black, punctured, variegated with white 

 pubescence. The front, below the ocelli, with dense white pubes- 

 cence ; the clypeus anteriorly naked, its margin rounded ; the 

 mandibles ferruginous towards the apex. The mesothorax and 

 scutellum coarsely punctured ; the margin of the prothorax and 

 a largo space beneath the wings covered with white pubescence ; 



