798 CATALOGUE OF 



3. OMMEXECHA VIRENS. 



virens, Serv. Rev. 95 ; Hist. Orth. 701. Blanch. A. S. E. F. v. 612, pi. 22, 



f. 1. Burm. Handb. Ent. ii. 655. 



/ 



Buenos Ayres. 



a. ? From the collection of the Zoological Society. 



4. OMMEXECHA KLUGII. 

 Klugii, Burm. Handb. Ent. ii. 655. 



a e. San tavern. From Mr. Bates' collection. 



5. OMMEXECHA GERMARI. 

 German, Burm. Handb. Ent. ii. 655. 



The specimen here recorded is referred with doubt to O. German. 

 The wings are rudimentary, and their colour cannot be ascertained. 



o. Brazil. From Mr. Vigors' collection. 



6. OMMEXECHA SERVILLEI. 



Servillei, Blanch. A. S. E. F. v. 613, pi. 12, f. 2, 3. Serv. Hist. Orth.70l. 

 Burm. Handb. Ent. ii. 656. 



Buenos Ayres. 



7. OMMEXECHA AUDOUINII. 



Audouinii, Blanch. A. S. E. F. v. 611, pi. 21, f. 5, 6. Serv. Hist. Orth. 

 700. Burm. Handb. Ent. ii. 655. 



Maldonado. 



8. OMMEXECHA SOMMERI. 

 Sommeri, Burm. Handb. Ent. ii. 654. 



Brazil. 



9. OMMEXECHA GRACILIS. 



Fcem. Fulva ; caput et prothoracis dorsum nigricantia, tuberculata ; 

 fastigium conicum, depressum ; abdominis dorsum nigrum ; femora 

 postica intus rufo uniplagiata ; ales anticce obscure fuscte > vix 

 tuberculatce, apice cinerece ; alte posticce diaphano cinerece. 



Female. Tawny. Head and dorsum of the prothorax mostly blackish. 

 Head especially tuberculate on the front; tip of the vertex excavated, 

 forming a conical protuberance between the antennae. Antennae ferru- 

 ginous, filiform, very slender, much longer than the head and the prothorax 

 together. Prothorax in structure somewhat like that of O. vireiis and of 

 German, but more slender and less luberculate. Abdomen black above. 

 Hind femora with a red patch on the inner side at the base. Spines of the 

 hind tibiae rather long, with black tips. Fore wings dark brown, hardly 

 tuberculate, cinereous- towards the tips. Hind wings pellucid-cinereous; 



