81- 
Datan a^ integerrima G. and R No 383g 
Years recorded ; 1938 and 1940 - 1948 incl. 
Food Plan ts: WALNUT (76), Hickory (21), Butternut (11), Ash (2), and Beech (1) 
D is t r ibutio n; Carleton, Elgin, Essex, Frontenac, Grenville, Haldimand, Halton, Hastings. Kent Lambton 
Watert ( ;o WeUand nC and n York ddleSe ^ N ° rf ° lk ’ ”<**'«*'»*«*’ Oxford, Peterborough, Stacoe,’ 
jtafestatiOTj 1938 heavy in Essex and Simcoe; 1939 heavy Essex, Lambton, and Simcoe; 1940 nearly all the 
Walnuts were defoliated in Southeastern Ontario; medium in Carleton; IMS heaw in Kent and 
xght in Simcoe„ 1944 complete defoliation of Walnut north of Lake Ontario- 1945 infestation 
ZnTTTr b0 ^ eri ^.Lake Erie; 1946 heavy in Haldimand and Welland, medium to Jelvy in 
in Fss!^ 4 - lg ,! n Halton * 1947 light to medium in southeastern Ontario; 1948 heavy 
Ught L ^ord n !„d“k N0rf0lkt Ught *° mSdlKm “ “i^lesex, ^ 
Larvae ; July, Aug. and Sept 
Number of Col lect,! ms > 
Pupae ; Aug. and Sept. 
Adults ; (June and July) 
10 ( ' 47 j' 39 ( ( d 4i) i m lK 8 <,42) ’ 3 ( " 43) ’ 9 ( '44). 7 045), 21 046). 
370 (.4?),’ J *=^121 1) ’ 478< '«> •"<’«) -860044) ,4T9( <45) ,1437( -46). 
- PARASITES 
name 
Occurrence 
of parasites 
Years 
recorded 
Distribution 
Date 
emerged 
Coll, yielding 
this narasi t.P 
Biptera 
No. Colic 
| No. larvae 
|and/or pupae 
Phoridae 
Megaselia iroquoiana 
18 Aug, 
38 
(Mall,) 
3 
1938 
Simcoe 
1 
140 
Tachinidae 
Neophorocera edwardsj.1 
(Will,) 
1 
1938 
Simcoe 
15 Oct, 
'38 
1 
140 
Mericia ampelus (Wlk.) 
1 
1938 
Simcoe 
15 Oct. 
Archytas metallica (Desv.) 
'38 
1 
140 
2 
1941 
Carleton 
(Feb, 
and Welland 
*42) 
2 
64 j 
