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A LIST OF UGANDA COCCIDAE AND THEIR FOOD-PLANTS. 

 By C. C. Gowdey, B.Sc., F.E.S., F.Z.S. 



Government Entomologist, Uganda. 



Uganda is a particularly favourable country for the development of insect life, 

 as vegetation grows very luxuriantly and there is no great variation of tempera- 

 ture for any length of time, and insect growth and multiplication are therefore 

 continuous throughout the year. This is especially true with regard to the 



COCCIDAE. 



This list of Coccidae and their food-plants is the result of an extended search 

 among the flora of Uganda. As these insects are for the most part small and 

 inconspicuous, they have not attracted the amateur collector and hence many of 

 the species here listed proved to be new at the time of their discovery, and these 

 are indicated by an asterisk. Many additional species have been collected, but 

 do not appear in this list as they await identification ; some on account of the 

 paucity of the material and some on account of the adult specimens not having 

 been found. 



In order to insure accuracy all identifications of the material collected by the 

 writer were made by Prof. It; Newstead and Mr. E. E. Green, to whom I am 

 much indebted for their kindness in working out the material submitted to them 

 at various times. 



The plants on which the Coccidae were found are given a common name only 

 in such cases in which the name is so widely accepted as to preclude the 

 possibility of confusion. In a few instances the botanical names were 

 unobtainable. 



Sub-family MONOPHLEBINAE. 

 Genus Icerya, Sign. 



1. Icerya sp. No. 4336. On orange. 



2. Icerya caudatum, Newst.* On crotons. 



3. Icerya seychellarum, Westw. On Monodora myristica. and Eranthenuim 

 bicolor. 



Sub-family DACTYLOPHNAE. 



Genus Dactylopius, Costa. 



4. Dactylopius sp. nov., Newst. No. 1433. On unknown shrub. 



5. Dactylopius (Pseudococcus) citri, Risso. On coffee, orange and lemon, and 

 on an unknown shrub in the depth of the Tero Forest. 



Sub-family TACHARDIINAE. 

 Genus Tachardia, Blanch. 



6. Tachardia decorella, Mask. On Anona muricata. 



7. Tachardia longisetosa, Newst.* On Fiats sycamorus (bark-cloth tree) ; 

 also found by the author at Bukoba, German East Africa. 



32306 G 



