1908 ENTOMOLOGICAL SOCIETY. • 75 



Favnly-Curculionid<T. The Curculios or Weevils. 



In this family the head is prolonged into a beak which is sometimes 

 longer than the remainder of the body. Specimens of the Red Pine Stem 

 Gall {Fodapion galUcolla) were received from Mr. A. Cosens, Toronto. 



Lepidoptera. 



Family-Tortricida;. 



The Tortricids are generally small moths; but as a rule they are larger 

 than the Tineids. Ecdytolopha insiticiana is abundant on the Honey Locust 

 and Eucosma Scudderiana is common on the Goldenrod. 



Family-Tineidcr . The Leaf -miners and Clothes Moths. 



The family contains but few gall makers. Species Nepticula occurs on 

 the Aspen and Stagmatoj>hora ceanothiella is found at Toronto on New 

 Jersey Tea. 



FaTTiily- Gele chiidce . 



These are small moths closely related to the Tineids. Two species, 

 belonging to the genus Gnormischema, are abundant on Solidago. 



Hemiptera. 

 Family- Aphidid(r . Aphids or Plant Lice, 



These are small, soft-bodied insects which suck up the juices of plants 

 and which often produce galls. The galls produced vary in form from mere 

 leaf curls to forms of most curious appearance but of quite simple structure. 

 They are all open or furnished with an opening. Twenty-two species of gall 

 producers are recorded for Ontario. 



F amihj-P syllidcr,. Jumping Plant Lice. 



The members of this family resemble the preceding to a great extent, 

 but they are not so numerous. The hind legs are formed for jumping. Only 

 two species are so far recorded for Ontario. 



DiFTERA. 



F amily-C ecidomyidcv . Gall Gnats. 



These are very delicate, small, two-winged flies with few veins in the 

 wings and with suckinar mouth parts. The eggs are laid upon the leaf sur- 

 face and the larva either feeds there, making an open gall, or makes an 

 incision in the leaf and enters, forming a closed gall, which splits open at 

 maturity at the point where the larva entered. The Larvae can be readily 

 identified by their color, which is orange, red or pink, and by the develop- 

 ment, between the second and third segments of the body, of a peculiar, horny 

 projection called the breast-plate, the use of which is not definitely known. 

 Eleven genera have been recorded for Ontario. 



FaTnily-AgromyzidfB. 



They are small flies closely related to the Trypetidse. Only a few are 

 gall makers. One species occurs on Iris and another on Salix. 



