316 Mr. G. K Bodkin's Nofes on 



SubfamUy PHILANTHINAE. 

 Genus Cerceris, Latr. 



C. {Trachi/pu.s) vnexicanus, Cameron. An unconunon 

 species. Taken while emerging from its burrow in sandy 

 soil at the base of a tree. Plantation Bath, Berbice. 



Subfamily BEMBICINAE. 



Genus Bembidula, Bnrm. 



B. discisa, Tasch. Upper Demerara Biver. 

 B. variegala, 01. Upper Demerara Eiver. 



Genus Monedula, Latr. 



M. jxnitherina, Handl. A fairly conmion species in some 

 parts of the interior, especially where sandy soils exist. 

 It is quite the largest and fiercest of these insects to 

 be found in the Colony. Its burrows are stored with 

 Tahanidae, 



M. punctafa, Lep. An uncommon species in the interior. 



M. sig)i(ila, Latr. The commonest and most widely 

 distributed Bembex in British Guiana. It may frequently 

 be seen about nuiles and cattle in the pastures waiting to 

 carry off the Tabanidae which are always present about 

 these animals. Their burrows may be seen in sandy soil, 

 and usually occur in colonies of twenty or thirty. A 

 large species of Bombyliid fly may be seen about these 

 burrows, occasionally enteriiig them. Its exact relation- 

 ship to the wasp has never been actually traced, but it 

 is quite possibly parasitic. The fly belongs to the genus 

 Anthrax. 



SubfamUy GORYTINAE. 



Genus Gorytes, Latr. 



G: brasiliensis, Shuck. Rockstone, Essequebo River. 



SubfamUy LABRINAE. 

 Genus Tachytes, Panzer. 

 T. ametina, Cameron. Rockstone, Essequebo River. 



Genus Larra, Fab. 

 L. rubricata, Smith. Rockstone, Essequebo River. 



