106 APID2E. 



Male. Closely resembles the female ; but the abdomen has on the 

 third, fourth, and fifth segments, in addition to the white fasciae 

 on each side near the base of the segments, a short white line of 

 pubescence ; the terminal segment has at the apex four acute 

 spines, and also a short one laterally. 



Hab. St. Domingo. 



5. Ccelioxys argentipes. 



Female. Length 5 lines. — Black ; the head and thorax strongly 

 and closely punctured, abdomen shining and finely punctured ; 

 wings fuscous, their base hyaline. The face with silvery-white 

 pubescence at the sides, the cheeks with white pubescence. Thorax 

 with the sides, beneath, and the legs with short, bright silvery- 

 white pubescence ; the legs obscurely rufo-piceous ; the spine on 

 each side of the scutellum very stout. Abdomen with a narrow 

 white fascia on the apical margins of all the segments ; the apical 

 segment very finely punctured, and with a longitudinal carina ; 

 the apical ventral plate broad and spoon-shaped, with a minute 

 lanceolate appendage at the apex. 



Hab. Sierra Leone. 



6. Coelioxys penetratrix. 



Female. Length 4^ lines. — Black ; head and thorax strongly punc- 

 tured, abdomen shining and finely punctured, legs ferruginous. 

 The front with white pubescence ; the mandibles ferruginous. The 

 thorax with white pubescence on the sides and beneath; the legs 

 with a glittering white pile ; the wings hyaline at the base, 

 thence becoming gradually fuscous to their apex, the nervures 

 black, the tegulae rufo-piceous. Abdomen short and conical, the 

 segments with narrow white pubescent fasciae ; the apical segment 

 rather short, and with a central longitudinal carina; the lower 

 valve broad and spoon-shaped, with a minute lanceolate appendage 

 at the apex. 



Hab. Natal. 



7. Ccelioxys minuta. 



Female. Length 3| lines. — Black ; head and thorax strongly punc- 

 tured, abdomen finely so, and tapering from the base to a fine 

 point at the apex. The front densely covered with short white 

 pubescence ; the eyes pubescent ; the posterior margin of the scu- 

 tellum rounded, having two small patches of white pubescence 

 at the base, and a short tooth at its lateral angles ; legs obscure 

 ferruginous ; wings hyaline at their base, and slightly fuscous at 

 their apex ; the nervures and tegulae obscure ferruginous. Abdo- 

 men shining ; the basal margin of the first segment with a very 



