22^2 [September, 



Hydbophiltdae. 



JLyclropliihts atei- Fabr. — The common Hydrophilid of British 

 Gruiana. At certain seasons of the year appears in large numbers 

 attracted to tlie arc lights in Georgetown. 



Staphtlinidae. 

 Osorins hrasiliensis Guer. — Issororo, N.W.D. 

 Paederus columhimis Lap. — Issororo, N.W.D. 



HiSTEKIDAE. 



TAoilerma quadridentatum Fabr. — This beetle is predaceous on 

 other species of insects. It has been observed to attack the larvae of 

 the sugar-cane borer {JDiatraea saccharalis F. ). It occm's commonly. 



Ho7nalodes sobrinus Er. — Issoi'oro, N.W.D. 



Temnochilidae. 

 Temnochila chalcea Kirsch.— Rockstone, Essequibo R. 



Coccinellidae. 



Megilla maculata DeG. — Observed to be predaceous on the larvae 

 of the Rice-Caterpillar, LapJiygma frugiperda S. &. A. Common on 

 the coastlands. 



Hyperaspis festiva Muls. — Predaceous on the Coccid Pseudococcus 

 sncchari Ckll. Occurs commonly. 



H. octopustulata Fabr. — Predaceous on the Coccid Pseudococcus 

 saccluiri Ckll. Occurs commonly. 



H. trilineata Muls. — Predaceous on the Coccid Pseudococcus 

 ' sacchari Ckll. Occurs commonly. 



Brachyacantha 10-p7tstulafa Melsh. — Predaceous on a species of 

 Pseudococcus (undet.). An uncommon species. 



Salyzia divisa Fabr. — Appears to be found on a species of Puccinia 

 fungus on the Canna plant. 



Azya trinitatis Mshll. — Predaceous on the Coccid Aspidiofiis 

 destructor Sign. 



. A. pontihrianti Muls. Predaceous on the Coccid Saissetla hemi- 

 spTiaerica Targ. 



Cryptoynatlia nodiceps Mshll. — Predaceous on the Coccid Aspi- 

 diotus destructor Sign., also on the early stages of Aleurodicus coccis 

 Curtis. 



