108 • G. E. BODKIN. 



Subfamily Coccinae. 

 Pulvinaria pyriformis, Ckll. Of common occurrence on the leaves of guava 

 (Psidium guayava), avocado (Per sea gr'atissima) and a few species of ornamental 

 plants. 



Pulvinaria simulans, Ckll. Recorded some years ago by A. W. Bartlett. I have 

 not collected the species myself. 



Pulvinaria flavicans, Mask., var. formicicola, Newst. An uncommon species. 

 Collected from a wild species of plant with a deep red sap, which has earned it the 

 name of " blood- wood plant." This species was attended by a species of Cremasto- 

 gaster ant. 



Pulvinaria elongata, Newst. A rare species. Occurs on the leaf-blades of sugar- 

 cane. 



Ceroplastes denudatus, Ckll. Recorded in 1893 by Cockerell as occurring in British 

 Guiana on crotons. It has been collected here recently on a species of wild Sola- 

 naceous plant. Professor Newstead remarks on examining this species " these are the 

 first examples I have seen with the tests complete." 



Ceroplastes dugesii, Towns. Recorded some years ago by A. W. Bartlett as 

 occurring on Schinus terebinthifolius. 



Ceroplastes floridensis, Comst. A common species, occurring especially on citrus 

 plants and ferns. 



Ceroplastes cirripcdiformis, Comst. An uncommon species, occurring on Ipomoea 

 sp. in Georgetown. 



Ceroplastes avicenniae, Newst. An uncommon species, occurring solely on the 

 maritime plant known locally as Courida (Avicennia nitida). 



Vinsonia stellifera, Westw. Recorded from British Guiana since 1888. An 

 exceedingly common species on a great variety of plants, principally coconut, 

 citrus plants, ornamental palms, and orchids. Occurs also on several species of 

 wild plants found in the interior districts. 



Eucalymnatus ckelonoides, Newst. A rare species. Collected from leaves of 

 Pachira insignis in the Botanic Gardens, Georgetown. 



Eucalymnatus perforatus, Newst. Found only occasionally on the leaves of coconut 

 (Coccus nucifera) and French cashew (Eugenia jambolana). 



Eucalymnatus tessellatus, Sign. A common species on ornamental palms. 



Coccus aequalis, Newst. A small species and common in certain districts on Courida 

 (Avicennia nitida). Invariably associated with the species of ant mentioned 

 previously ; occasionally a species of Cremastogaster ant is found in attendance. 



Coccus hesperidum, Linn. A common species, especially on citrus plants and 

 Liberian coffee (Coffea liberica). 



Coccus mangiferae, Green. Recorded from British Guiana since 1888. An 

 exceedingly common species on the leaves of mango, also on jasmin (Eugenia panicu- 

 lata). 



Coccus viridis, Green. A common species on Liberian coffee in certain districts. 

 Of considerable economic importance. 



Coccus wardi, Newst. A rare species. From leaves of Malacca apple, Georgetown. 



