A 
a 
1172 è General Notes. | November, 
be found in the Quar. Jour. of Mic. Sci., and stated that the spe- 
cies common at Buffalo was Corethra plumicornis. Professor 
Forbes had noticed the larve of Corethra abundant in the sto- 
machs of fishes. Adjourned. 
Aug. 17, 2 P. M., the club reconvened and the following sub- 
jects were presented: 
Food-habits of Gortyna nitela——Professor Osborn stated that 
he had observed the larvæ of Gortyna nite/a boring in young twigs 
of ash and had noticed many dead twigs from this cause. Had 
failed to rear imagos from these on account of parasites. He had 
also observed the same species feeding externally upon the leaves 
of the common plantain. 
Gall-mites.—Professor Forbes stated that Mr. Garman’s work 
on gall-mites is in press; that Mr. G. has familiarized himself 
with the bibliography of the subject and has made a careful study 
of gall-mites with a view to description of the species from phys — 
cal characters rather than from the standpoint of their effects. ae 
Black-knot.—Mr. Saunders remarked that he had noticed this 
year an unusual amount of the black-knot. Cee 
Aug. 16, 10 A. M., the club reconvened, when the president, 
Dr. Kellicott communicated the following : eo 
Notes on certain boring Lepidopterous larve—i, Arama 0 
liquata G.& R. This larva has already been referred to at s 
previous session of the club by Dr. Riley ; some additional remar : x 
may not be out of place. Its food-plant at Buffalo is almost enti rely 
Typha latifolia. I have found it rarely in Sparganium. 
I have not found, but the small larvæ have been seen as pe 
June 12th. They feed at first in the spadix; they aiterwards oe 
into the stems, remaining until fall, when they leave the erent : 
crawl into the earth or old wood until April or May, when’ 
transform in slight cocoons; the moths appear late in he 
Riley has called attention to the fact that the last pair 9f ni 
cles are large and placed dorsally; this pride enable 
leries and put in the water, they sink to the bottom al for 
carneous hue of the mature larva and that of many ° females 
especially when recently from the pupa shell. Reddish 
pand from 42 to 46™™ the males 35 to 38" The discal $ 
head, thorax and palpi usually darker or fawn. mples; k 
on primaries is black and well marked in most exa 
