450 [June 



Male. — Form and size of the preceding species; deep black, clothed 

 with pale pubescence, except on the vertex where it is fuscous ; eyes 

 very large ; a very narrow line on the outer orbits, and the clypeus. 

 except a rather large triangular black spot on the middle, yellowish ; 

 mandibles piceous ; antennae entirely dull black. Thorax closely punc- 

 tured ; the prothorax, both scutellums and tegulas, luteous ; metatho- 

 rax immaculate, truncate behind. Wings fusco-hyaline, with a viola- 

 ceous reflection ; costa yellowish to the tip of the marginal cell, beyond 

 which there is a broad, dark fuscous streak which extends to the tip of 

 the wing. Legs : the coxae, the anterior femora, and most of the mid- 

 dle femora, black ; anterior tibiae and tarsi and the middle pair exte- 

 riorly, yellow; the remainder ferruginous, clothed with pale pubescence. 

 Abdomen shaped like that of the preceding species, except that the 

 basal segment is subrotundate and longer; deep black, shining, iride- 

 scent, finely and sparsely punctured, and rather thickly clothed with 

 pale pubesceuce, that on the apical margins of the segments mixed 

 with black ; first segment immaculate ; second and third each with a 

 rather large, irregular yellowish, spot on each sice ; the fourth segment 

 with a transverse sinuate yellowish band, deeply emarginate on, the 

 middle anteriorly; the sixth segment with a short, narrow, transverse, 

 yellowish line on the apical middle; apical segment clothed with black 

 pubescence, somewhat tinged with rufous, and armed with three long, 

 acute teeth as in the preceding species; third ventral segment with a 

 small round yellowish spot on each side. Length 7 lines; expanse of 

 wing's 12-] lines. 



Two specimens. 



Fam. SAPYGIDJ. 

 Genus SAPYGA. Latr. 



Sapyga aculeata, n. sp. 



Black; head and thorax granular, opaque; abdomen shining, with a long, 

 acute, sting-like process at tip ; wings subhyaline. 



Female. — Deep black ; head and thorax very densely punctured, or 

 granular, clothed with a fine cinereous pubescence ; head large, broader 

 than the thorax ; the inner orbits, not extending above the sinus of the 

 eyes, a small spot between the insertion of the antennae, and an obscure 

 interrupted line on the anterior margin of the prothorax, testaceous; 

 antenna; as lone; as the head and thorax, slightly thickened towards 

 the apex ; prothorax with the anterior lateral angles prominent and 

 subacute. Wings hyaline, tinged with fuliginous, especially at tip. the 

 whole with a violaceous gloss ; nervures black. Legs black, shining, 

 with a slight cinereous pile; the tarsi sericeous. Abdomen robust. 



