396 Mr. F. Smith on neiv Species of Mexican Pompilida). 



the base, with its extreme base black, the apical margins of the seg- 

 ments very narrowly black or fuscous. 

 Hah. Orizaba (Mexico). In the National Collection. 



2. Ponipilus torridus. 



P. ferrugineus, alis subhyalinis. 



Female. Ijength 6i lines. FeiTuginous, inclining to a tile-coloured 

 red ; the antennae red at their base, becoming black towards their apex ; 

 the face with a slight silky cinereous pile. Thorax : the metathorax, 

 coxfe, and femora with a slight cinereous pile ; the wings fusco-hyaline, 

 with a faint violet iridescence ; the apical joints of the tarsi dusky ; the 

 abdomen smooth and shining. 



Hab. Mexico. In F. Smith's Collection. 



3. Pompiltis regalis. 



P. formose purpureus, alis purpureis \dolaceo tinctis. 



Female. Length 10 lines. Purple-blue, changing in brilliancy in 

 diflferent lights ; the clypeus and mandibles smooth, shining black ; 

 the antennje black. The metathorax tnmcate, ti'ansversely gi-ooved at 

 the verge of the truncation, and with some longitudinal divergent strife 

 at the base ; wings ample, dark purple, with brilUant shades of violet 

 in different lights. Abdomen slightly compressed, gradually tapering 

 from the base to the apex. 



Hab. Mexico. In F. Smith's Collection. 



4. Pompilus Jla vopictus. 



P. niger, flavo striatus et guttatus. 



Female. Length 5 lines. Black ; the face yellow, with two longi- 

 tudinal black stripes running from the ocelli to the insertion of the 

 antennse, and a transverse waved black line at the base of the clypeus ; 

 a broad yellow stripe behind the eyes ; the scape of the antenna? yellow 

 in front ; the flageUum fereuginous, with the base and apex black ; the 

 mandibles yellow, with their tips black. Thorax : the posterior margin 

 of the prothorax, two longitudinal stripes on the mesothorax above, an 

 ovate spot on each side of the scutellum, the post-scuteUum, a large 

 macula on each side of the metathorax, and its posterior margin yellow ; 

 the sides of the thorax with several large yellow spots beneath the 

 wings ; the legs j^ellow, with longitudinal black stripes on the femora 

 and tibise ; the wings subhyaline, with the anterior margin of the 

 superior pair fuscous. Abdomen : the base yellow, and the apical 

 margins of the segments with yellow bands. 



Hah. Mexico. In F. Smith's Collection. 



This species very closely resembles species of the parasitic genus 

 Ichneumon. 



