HYMENOPTERA. 365 



3. EXOMALOPSIS PILOSA. B.M. 



Male. Length 3 lines.— Black, the face clothed with silvery 

 white pubescence, the flagellum rufo-piceous, the mandibles fer- 

 ruginous. Thorax clothed with pale pubescence ; the wings 

 subhyahne, the nervures and tegulae pale rufo-testaceous ; the 

 legs rufo-piceous, the tarsi pale rufo-testaceous, clothed with 

 long loose pale glittering pubescence. Abdomen ovate, rufo- 

 piceous, clothed with a silvery pubescence ; the second segment 

 has on each side an oblique line of silvery pubescence, the third 

 and following segments densely clothed with short silvery pubes- 

 cence ; beneath the margins fringed with long pale pubescence. 



Hab. Brazil. 



4. ExOMALOPSIS VILLIPBS. 



Female. Length 3^ lines. — Black ; the face has a thin pale 

 fulvous pubescence, the mandibles ferruginous, ciliated beneath 

 with long hairs ; the flagellum fulvo-testaceous beneath. Thorax 

 above thinly clothed with pale fulvous pubescence ; the legs rufo- 

 piceous, the intermediate and posterior tarsi, as well as the poste- 

 rior tibiae, fulvous; the anterior and intermediate tarsi have a 

 fulvous pubescence ; the posterior legs have a dense scopa of 

 long pubescence, that on the basal half of the tibiae fulvous, 

 the apical half sooty-black, beneath entirely fulvous. The wings 

 subhy aline, the nervures pale testaceous. Abdomen ovate, 

 smooth and shining, and beyond the second segment covered 

 with a pale golden pubescence. 



Hab. Brazil. (Coll. F. Smith.) 



5. ExOMALOPSIS TESTACEA. 



Female. Length 3 lines. — Head and thorax rufo-testaceous, 

 the flagellum and labrum pale testaceous. Thorax : the wings 

 clear hyaline, the nervures and tegular pale testaceous, the disk 

 margined with yellowish-white pubescence ; legs pale testaceous ; 

 the posterior legs have a dense yellowish-white scopa. Abdomen 

 pale ferruginous, the second and third segments have on each 

 side an oblique line of white pubescence, the sides and the apex 

 fringed with white pubescence. 



Hab. Brazil. (Coll. F. Smith.) 



Genus 56. TETRAPEDIA. 



Tetrapedia, Klug, Berl. Mag. iv. 33 (1810). 

 Ancyloscelis, Latr. Fam. Nat. p. 464 ? (1825). 



