A List of the Insects affecting Sugar-Cane in British Guiana. 309 



33. Pseudococcus calceolarice, Mask. 



Common name : The pink mealy- bug. 



Injury : Feeds below sheathing leaves when canes are jointing or 

 jointed ; otherwise feeds at base, just where they originate from 

 stool or plant-top ; often found, too, below ground on stools, plant- 

 tops, and roots. 



Natural enemies : 



A fungus Aspergillus sp., the Coccinellid Hyperaspis trilineata, 

 Mul., and one or two others, an undetermined lace-wing fly 

 (Chrysopidae), an undetermined Tineid moth, and an undeter- 

 mined Cecidomyiid fly ; also an undetermined Chalcidid parasite. 



34. Pseihdococcus sacchari, Ckll. 



Common name : The grey mealy-bug. 

 Injury : As for 33, the pink mealy-bug. 



35. Pulvinaria sp. 



Injury : Feeds on young leaves. 

 Natural enemies : 



A small hymenopterous parasite, undetermined. 



36. Orthezia insignis, Douglas. 



37. Orthezia prcelonga. 



Common name of 36 and 37 : Croton bug. 

 Injury : Feed on leaves. 



38. Pseudococcus citri, Risso. 



Injury : Feeds on roots, stools, and plant-tops. 



HOMOPTERA. 





39. Tomaspis jlavilatera, Urich, n. sp. 

 Common name : Froghopper or spittle-insect. 

 Injury : Feeds on roots. 



Natural enemies : 



Preyed on by Attid spiders. 



40. A Leaf-hopper (undetermined.) 



Injury : Feeds on leaves ; also injures them in act of oviposition. 

 Natural enemies : 



Eggs parasitized by a small hymenoptercn. 



41. Proarna germari, Dist. 



Common name : Cicada or small 6 o'clock bee. 



Injury : Larvae and nymphs feed underground at cane-stools. 



