206 PROCEEDINGS ENTOMOLOGICAL SOCIETY 



opinion that Citheronia regalis is "beyond all question" of 

 tropical origin. This is true, of course, of the genus, but the 

 author is speaking of the species, which is confined to the 

 United States east of the Plains, as is well known. Some little 

 space is devoted to a discussion of the ground color of the fore 

 wing of this species. It appears that Dr. Packard described 

 it as olive green, whereas Mrs. Porter insists that it is gray, 

 and she wonders who is color-blind. As a matter of fact, the 

 lady is right it is gray; but the optical effect of the contrast 

 of the red veins on the neutral gray ground gives the effect 

 of the complementary color, green, so that the general im- 

 pression is of an olive-gray wing. This is the impression I 

 had carried of the species myself, and in a way justifies Dr. 

 Packard's description. Many interesting photographs from 

 life are found in the book and several colored plates, repro- 

 duced from paintings by the author, in which she has tried 

 to represent exactly the colors at their best, sometimes some- 

 what to the detriment of the markings. 



-Dr. Dyar also showed a copy of "Elementary Entomology" 

 by E. D. Sanderson and C. F. Jackson (pub. Ginn & Co.). 



-Mr. Caudell stated that Senor Federico Mejia, minister 

 from Salvador, brought to his office yesterday for identifi- 

 cation and information an adult pair of a locust which threat- 

 ens to become, if indeed it is not already, a most serious pest 

 to the coffee bean. Some weeks ago immature specimens 

 were sent in, but the species could not be determined, though 

 it was clear that it belonged to the genus Cocconotusi a 

 genus of the subfamily Pseudophyllinee. Mr. Caudell had 

 not yet had an opportunity to determine the species, but the 

 adults which he had for exhibition are very surely the same as 

 some brought from Salvador some years ago by Mr. Knab, 

 who stated that they were injurious to the coffee bean and- 

 leaf, according to the reports of the natives. Senor Mejia 

 stated that these insects occur in immense numbers and cause 

 thousands of dollars' damage. A single nip means the ruin 

 of a coffee bean, as the place bitten turns black and makes the 

 berry unsalable. The insect stays in the trees day and night 

 and the remedies tried so far were the gathering by hand by 



