( xvii ) 



a box of galls, all collected in this vicinity, from wliicli the 

 perfect insects will emerge in April or May. Will you kindly 

 distribute these galls, at the next meeting of the Entomological 

 Society, to those who are sufficiently interested to rear the 

 insects? With the galls, I send also a batch of eggs of 

 CUsioeampa calif ornica, Pack. Some lepidopterist may like to 

 rear the larvae, which may be fed on willow or Rihes aurewn. 

 The galls sent are as follows : — 



" A. On EosE. — (1) Rhodites tuherculator , Riley, large round 

 roughish gall. (2) R. vjnota, Osten-Sacken, smaller round 

 smooth gall. (3) R. biculor, Harris, round prickly gall. 



(4) R. fusiformans, Cockerell, oblong or irregular galls. 



(5) R. rosqfolm, Cockerell, flattish leaf-galls on withered 

 leaves. (6) R. globosiis, Cockerell, round smooth leaf-galls. 



*' B. On Willow. — (7) Cecidvniyia salicifi-siliqua, Walsh, 

 fusiform red galls. (8) C. salicis-strohiluides, Osten-Sacken, 

 bud-galls. (9) Hormomyia salicum, n. sp.?, reddish leaf-gall. 

 (10) Euura salicis-ovum, Walsh, lateral oval galls, on twigs. 



" C. On Composite. — (11) Trypela biyelovice, Cockerell, 

 woolly white galls, on Bigdonia graveolens. (12) Sp. ?, woolly 

 galls. (13) N. sp. ?, galls at junction of branches and 

 stems. 



"From the above galls maybe reared, besides the gall- 

 makers, the following parasites and inquilines : — From 

 Rhodites iynuta : — Periclistus pirata, Osten-Sackeu ; ]'haijtoma 

 diastropki, Walsh ; Hahrocytus obscuripes, Ashmead ; &c. From 

 R. biculor: — Torymus maynificus, Osten-Sacken ; Eurytonm 

 diastrophi, Walsh ; Tetrastichus roste, Ashmead ; &c. From 

 R. fusiform ans : — Periclistus fusi, Ckll. MS. ; Torymus chryso- 

 chlora, Osten-Sacken; Eurytoma diastrophi, Walsh; &c. 

 From -fi. bicolor : — Hcibrocytus obscuripes, Ashmead. From 

 R. iynota : — H. ros(v, Ashmead. From R. fusiforvians ; — 

 H. ros«, Ashmead. From Cecidomyia salicis-siliqua : — Xemattis 

 concolor, Norton. From Trypeta biyelovice : — Cecidomyia biye- 

 lovice, Cockerell ; Torymus sp. ; &c. And many others from 

 several of the galls, not yet specifically identified. Thus 

 C. salicis-strobiloides galls produce three distinct Cecids, as 

 well as many Chalcids. — Yours truly, T. D. A. Cockerell. 



" The Secretary, Entomological Society of London." 



