334 THE CANADIAN ENTOMOLOGIST. 



180; tibia 136; tarsus 80. Stigmatal spines in threes, one long and 

 thin, two short and stout. Marginal spines numerous, simple, 24 /x long. 



Hab. — On Viburnum pubescens in the woods at Aylmer, Prov. 

 Quebec, about nine miles from Ottawa; on the same twigs were 

 Eulecanium corylifex, Fitch. Coll., Dr. Fletcher. This species is allied 

 to P. innumerabilis, P. tiliie and P. marmorata, and I thought at first it 

 was the last species, but it seems to be distinct. 



Eulecanium Guignardi, n. sp. (Native.) 9 . — Scale coffee-brown, 5 

 mm. long, 3*^ broad, 2^4 high. The smaller, which were more 

 numerous, 4 mm. long, 2^ broad and 2 high. Dorsum quite convex. 

 Texture of the scale thin, somewhat shiny. Cleared and mounted, well- 

 boiled examples are colourless, while those not so are of a yellowish- 

 brown. Skin minutely pitted. Antenna? 7-jointed. Measurements in /x : 

 Joint 1 (48), 2 (44), 3 (60), 4 (64), 5 (28), 6 (24), 7 (52). Sometimes 

 joints 3 and 4 are equal ; 1 and 2 seem to be variable, often equal, and in 

 this case they would measure 40 fi long, respectively ; joint 7 is very 

 constant at 52 /x long. Legs ordinary. Margin with two rows of spines, 

 one short and stout, the other short, thin and sharp, 16 and 8 /*, 

 respectively. Spines of the lateral cleft in threes, nearly of equal lengths, 

 although in some the centre one would be the longest. 



Hab. — On plum trees at Niagara, Ont.; sent to me from the Division 

 of Entomology of the Canadian Department of Agriculture, and named after 

 T. A. Guignard, Asst. Entomologist, Experimental Farm, Ottawa. Newly- 

 hatched larvae translucent, with a slight tinge of pale green and with a 

 distinct dark greenish-gray dorsal longitudinal band. In about six days 

 the colour changes to a light yellow. Antennae 6-jointed : Joint 1 (20), 

 2 (12), 3 (28), 4 (12), 5 (16), 6 (32). Front leg: coxa 24; femur 

 and trochanter 52; tibia 40; tarsus 24 \>. long. Anal tubercles long, 

 each with one long bristle and one short spine. Marginal spines 12 /x 

 long. Anal ring normal, with 6 bristles. The above described species 

 has considerable resemblance to Eulecanium vini of Europe, but is 

 described as new, after a careful study of various species and reference to 

 all the literature at my disposal. 



Lecanium pini, n. sp. (Native.) $. — Scale dark coffee-brown, 5 

 mm. long, 4 broad, 3 high. Antennae rudimentary, although in some 

 examples studied some showed a distinct three-jointed antenna, joint 2 

 longest, 9 a little longer than 1, measuring in ft: Joint 1 (20), 2 (48), 3 

 (28). Length of the antenna 96 /x. The third joint has a few short 



