288 



PSYCHE. 



NOTE ON THREE PYRALID MOTHS 

 OF THE GENUS PACHYZANCLA. 



Mrs. E. M. Swainson lately sent me three 

 pyralids which she had bred in Jamaica, with 

 the pupa-shells and her notes on the larvae. 

 Sir G. F. Hampson has been so kind as to 

 identify the species for me, so the breeding 

 notes may as well be published. 



(i.) Pachyzancla semilanata Hampsn. — 

 Larva nearly an inch long, soft creamy ; 

 head small, shiny, jet black, black marks on 

 neck. The larva is so transparent that the 

 movements of the internal parts can be seen. 

 Pupa (as also in the two following species) 

 folded in a leaf; pupa-shell ferruginous, 

 more shiny than that of the next. Larva 

 pupated Aug. 7, and gave imago Aug. 15. A 

 leaf-roller. This species was originally de- 

 scribed in 1S95, from St. Vincent. 



(2.) Pachyzancla aegrotalis ZtW. — Larva 

 I inch long, shiny, watery green; seems 

 white, " but on back the dark green shows 

 through," head and sides white. Pupa shell 

 dull ferruginous. Larva pupated July 30, 

 and gave imago Aug. 9. Feeds on guinea- 

 hen weed, and a wild bush with shining dark 

 green leaves. 



(3.) Pachyzancla fhaeopteralis Guen. — 

 Larva nearly an inch long, clear watery 

 green, with minute grey-brown spots all over, 

 dark mark down middle of back, head buff, 

 b.lack marks on neck. Folds leaf over it. 

 Pupa shell darker and more shiny than that 

 of P. aegrotalis. Food-plant wild cockscomb. 

 Pupated July 29, imago Aug. 4. These three 

 species are all, I believe, now first recorded 

 from Jamaica. 



T. D. A. Cockerell. 



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