194 NEW YORK STATE MUSEUM 



Itonida cucurbitae Felt 



191 1 Felt, E. P. Econ. Ent. Jour., 4:555 



The midge was reared July 10, 1876 from orange larvae on a squash, 

 presumably by the late C. V. Riley. The vegetable had a curious, 

 rough, fulvous appearance. The specimens were kindly placed at 

 our disposal through the courtesy of Dr L. O. Howard. M y c o- 

 diplosis cucurbitae was also associated with this form, 

 the two resembling each other so closely as to be inseparable with a 

 hand lens. 



Itonida pugionis Felt 



1911 Felt, E. P. Econ. Ent. Jour., 4:557-58 



191 8 N. Y. State Mus. Bui. 200, p. 53 



This striking form was first reared May 4, 191 1 from a jar contain- 

 ing chestnut bark infested with numerous Miastor ameri- 

 c a n a Felt larvae collected at Nassau. vSubsequently it was 

 obtained from maple bark containing many Miastor larvae. It is 

 very probable that this form is predaceous. It is tentatively referred 

 to this genus, though it appears to present no very close resemblance 

 to known species. It is easily recognized by the striking coloration 

 of the antennae and wings, especially the latter. 



Itonida catalpae Comst. 

 1 881 Comstock, J. H. U. S. Comm. Agric. Rep't, 1880, p. 266 -67 (Diplosis) 

 1890 Packaid, A, S. U. S. Ent. Comm. 5th Rep't, p. 666-68 (Diplosis) 

 1906 Felt, E. P. Insects Affecting Park & Woodland Trees, N. Y. State Mus. 

 Mem. 8, 2:735 (Cecidomyia) 



1908 Gossard, H. A. Econ. Ent. Jour., 1:181-82 (Cecidomyia) 



1908 Houser, J. S. Ohio Agric. Expt. Sta. Bui. 194, p. 193 (Cecidomyia) 



1908 Gossard, H. A. Ohio Agric. Expt. Sta. Bui. 197, p. 1-13 (Cecidomyia) 



1909 Felt, E. P. Ent. Soc. Ont., 39th Rep't, p. 43 (Cecidomyia) 



1910 Douglas, B. W. State Ent. Ind. 2d Rep't, p. 93-95 (Cecidomyia) 

 1918 Felt, E. P. N. Y. State Mus. Bui. 200, p. 186 



The orange-colored larvae of this species occur, according to 

 Professor Comstock, in the seed pods of Catalpa bigno- 

 n o i d e s , causing the seeds to rot and the pods to turn brown in 

 midsummer. The attack may be observed in the early part of August 

 and is indicated by the unripe and normally green pods turning 

 brown. One-half of the pod may remain green while the remainder 

 appears to be dry and apparently ripe. These abnormal pods have 

 the mass of seeds fairly alive with active footless, yellow maggots, 

 none over 3.25 mm long. They vary much in size, some being 

 nearly full grown while others are quite young. The entire contents 

 of the infested pods are in every case in a badly decayed condition. 



