250 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxii. 



nally described from specimens bred from larvse associated witli various 

 Coccids and Aleiirodes at Kingston, Jamacia. The Puerto Rican speci- 

 mens do not differ appreciably from a series of six specimens from the 

 former locality received from Professor Cockerell and by him bred from 

 larvse associated with Pulvinaria urbicola. 



Family CULICID^. 



CULEX PERTURBANS Walker. 



Two specimens captured at Bayamon in January. This species also 



occurs in this country, extending from Maryland southward to Florida 



and Texas. 



Family OHIROXOMID^. 



CHIRONOMUS REDUENS Walker. 



A single specimen captured at Aguadilla in January. This species 

 is also known to occur in Mississippi. 



CERATOPOGON SEQUAX Williston. 



Seventeen specimens captured in January at Utuado, Aguadilla, 

 Bayamon, and Mayaguez. It was originally described from St. Vin- 

 cent, West Indies. 



CERATOPOGON PUNCTIPENNIS Williston. 



A single specimen from Aguadilla in January. This species was also 

 originally described from St. Vincent. 



Family BIBIONID^. 



SCATOPSE PYGMiEA Loew. 



Two specimens captured at Mayaguez in January. The species was 

 originally described from the District of Columbia, but has also been 

 reported from St. Vincent, West Indies. 



Family TIPULID^. 



GERANOMYIA RUFESCENS Loew. 



A single specimen collected at Aguadilla in January. Originally 

 described from Puerto Eico. 



ATARBA PLEURALIS W^illiston. 



A single specimen captured at Aguadilla in January. The type 

 locality of this species is St. Vincent, West Indies. 



Family STRATIOMYIID^. 



HERMETIA ILLUCENS Linnaeus. 



Two specimens collected at Utuado and Aguadilla in January. The 

 species has a wide distribution, extending from the southern portion 

 of the United States, through Mexico, Central America, and the West 

 Indies, into South America at least as far as Brazil. 



