REPORT OF THE SOCIETY , J,S^3 



Blue and Great Tits and the Sparrow feeding in the larvae. Qdynerus 

 catskillensis , a mud dauber wasp, uses the budrnoth l?irvae, a.long.w;ith ot^ier 

 caterpillars as food for its grubs. Slingerland found a nest of this inseqtin 

 which there were six nearly full-grown bud-moth larvae and another larva. . 



In Oregon Moznette found three predaceous forms, an undetermined 

 carabid beetle, a si:)eGies oiTriphleps and a mite A ncystis agitis Bank sJ ^ .v ; ; . i. • 



Parasites. — Several parasites of the bud-moth have been reported. 

 These are all hymenopterous insects resembling small slender wasps in 

 appearance. 



The larva of Phytodictiis vulgaris Cress, was found by Fernald "attached 

 to the top and across the second segment of the (bud-moth) larva on the 

 outside and entirely out of the way of harm; there it grew fat at the expense 

 of its host which died a lingering death." 



Microdus laticinctus Cress, was reared by Slingerland in New York 

 State in 1892. He says ''Microdus laticinctus seems to be quite a common 

 parasite as Dr. Riley bred it from larvae received from Canada in 1870 

 and again in 1879 from Washington, D.C." 



Slingerland also reared specimens of a species of Pimpla (near P. 

 alboricta Cress.) from the larvae of the bud moth. 



In Quebec the writer has obtained three hymenopterous parasites from 

 the bud moth. These were identified by Messrs J. C. Crawford and A. B. 

 Gahan as Pimpla (Itoplectes) conquisitor Say, (Microdus) Bassus earinoides 

 Cress, and Pentarthron minutum Riley. 



Bassus earinoides is a well-known parasite of Exartema malanum 

 Fern the apple bud worm. During the summer of 1914 and 1915 this 

 insect was reared in large numbers from the pupae of the bud moth (Fig. 9). 



Pimpla conquisitor Say was also obtained from the pupae of the bud 

 moth during the latter part of June and throughout July. The numbera 

 were fewer than those of Bassus earinoides and the males were greatly in the 

 majority (Fig. 8). 



The most important parasite found was Pentarthron minutum Riley 

 ( = Trichogramma pretiosa Riley) . This is one of our commonest egg paras- 

 ites but has not before been recorded as a parasite of the bud moth egg. 

 The writer has records from Abbotsford, Como, La Trappe, Baie d'Urfe, 

 Ste. Marie and Ste. Anne (Fig. 7). 



The parasitized eggs are easily recognized by their deep shiny-black 

 colour. When such an egg is opened a yellow grub or pupa with bright red 

 eyes is found within. Occasionally two pupae are found in a single egg. 



