6o SMITHSONIAX MISCELLANEOUS COLLECTIOXS N'OL. 52 



Genus MEGARHINUS Desvoidy 

 MEGARHINUS TRINIDADENSIS Dyar and Knab 



Bred during ]\Iay from water in bamboo near Tabernilla. The 

 larv?e were feeding upon those of Joblotia. 



MEGARHINUS HYPOPTES Knab 



Bred from the identical bamboo- joints near Tabernilla from which 

 the foregoing species was obtained ; the larva; of this species also 

 Avere observed feeding upon Joblotia larvfe. 



The present species appeared a month later than triiiidadciisis, 

 thus not interfering with it. Presumably another interesting example 

 of the seasonal occurrence of mosquitoes in the tropics, though hardly 

 convincing from the comparatively small number of specimens (seven 

 of both species) reared. 



The female of this species was not previously known. 



MEGARHINUS SUPERBUS Dyar and Knab 



Bred near Tabernilla from larva:^ in the leaf corners of bromelia, 

 growing on a calabash tree. The larvae feed on those of JVycomyia 

 circuriiciiicta and probably on the other mosquito larvae present 

 (Ciilcx jcjiiiiiigsi and Plwiiioniyia scotiiioiinis). The adult with its 

 brilliant red abdominal tufts was seen on the wing in the tree-top. 

 while I secured the larvae. 



Genus MANSONIA Blanchard 



MANSONIA TITILLANS Walker 



Several adult specimens were captured in the palm-shaded swamp 

 near Lion Hill, where they came in numbers to bite. Nothing is 

 known of the life history of this common tropical mosquito ; the 

 larval habits must be peculiar to have so long escaped observation. 



MANSONIA PHYLLOZOA Dyar and Knab 



A small, very striking-looking species with spotted wings, bred 

 from larvae from water in the leaves of a bromeliaceous plant grow- 

 ing on a tree in the native village near Tabernilla. 



Genus DEINOCERITES Theobald 



DEINOCERITES MELANOPHYLUM Dyar and Knab 



This species is a geographic variety of the common West Indian 

 cral)-hole mosquito, Dciiioccritcs cancer, but it appears very distinct, 

 owing to its dark brown color. 



