No. 4680 
Semiothisa granitata Gn. 
Ye ars recorded : 1937 - 1948 inclo 
Food Plants : Spruce (125). Balsam (40), Hemlock (21), Pine (20) and Larch (?) 
Distribution” Bruce, Carleton, Dufferin, Dundas, Durham, Prontenac, Grenville, Grey, Haldimand, Halxburton, 
Hastings, Lanark. Leeds, Lennox and Addington, Norfolk Ontario, Peterborough, Prescott, 
Renfrew, Russell, Simcoe, Victoria, York and Gatineau (Que.) 
Adults : June and (July) 
Larvae: July, Aug . and Sept. 
Number of Collections: 
Pupae : Aug., Sept , and Oct. 
3 (< 37), 32 ('38), 16 ('39), 19 (’40), 16 (’41), 12 ("42), 12 (’43), 
22 ("44), 5 (’45), 10 (’46), 47 (*47), 19 (’48) - 213 
p- (<n<y\ 'yrz / !qo\ oi ( 1 3Q) 51 ( ! 40 ) 84 (’41), 45 (* 42), 34 (’43), 
To tal Number of Speci mens: 5 (’37), 75 38), 31 ^y), oi ^ ' 
--- Q4 ^, 44 ^ 17 ( 145 ), 25 (*46),154 (’47), 67 (*48) - 682 
Name 
Diptera 
Tachinidae 
Phrynolydella eufitchiae 
(Tns.) 
(i it 
Chaetophlepsis semiothisae 
(Brks.) 
Hvmenoptera 
Ichneumonidae 
Casinaria semiothisae Wly. 
r--—r 
Occurrence 
PAKA 6 J 
Years 
Distribution 
Date 
of parasites 
recorded 
emerged 
1 
1938 
Grenville 
9 Sept.'38 
2 
1943 
Simcoe and 
(Feb.’44) 
York 
1 
1944 
Simc oe 
15 Sept. 
•44 
Prescott, 
3 
1939 
Simc oe, 
(Feb.*40) 
and York 
2 
1942 
Simc oe 
(Mar.’42) 
2 
1946 
Simcoe 
(Feb.*47) 
6 
1947 
Carleton 
Hastings 
(Feb.’48) 
and Renfrew 
1 
1948 
Durham 
J (Feb. '49).... 
Coll, yielding 
this parasite 
No. coll. 
No. larvae 
and/or pupae 
14 
8 
