180 THE CANADIAN ENTOMOLOGIST. 



and has sent me several very interesting species. The following also 

 deserve mention, who have found one species each : Messrs. John Morley, 

 R. J. Crew, A. H. McKay, and Rev. G. W. Taylor. Of the 46 species 

 cited, I have had the pleasure of studying 36. The bibliography given 

 refers only to such works as make mention of British North American 

 species. 



CocciN.«. 

 Eriococcus, Targ.-Tozz. 

 Eriococais borealis, Ckll., 1899. (Native.) Found on willow (Salix) at 

 Dawson City, 64° N. Lat., by Mr. John Morley. 



Bibl. — Canadian Entomologist, Vol. xxxi. (1899), 370. Origi- 

 nally described from Dawson City, British North America. 



Phenacoccus, Ckll. 

 Phenacoccus Dea^nessi, n. sp. (Native.) Sac white, the sac wholly 

 covering the body. $ dark red-brown. Boiled in caustic potash the 

 derm is colourless. Legs and mouth-parts ochreous. Antennae pale 

 yellow, 9-jointed : 3 longest, although 2 + 3 are sometimes equal, 9 

 next and a little longer than 1, 5 + 8 next and equal, 6+7 are 

 shortest and equal. The joints are quite variable in length, as will be 

 seen from the following measurements : 

 Joint 123456789 



36 32 60. Formula(39)2i5(67)84. 

 28 32 52. " (23)915(48X67). 



28 32 52. " (239X145)8(67). 



56 60 an S-jointed form, hardly adult. 

 Legs short, stout. 

 Middle leg : coxa, So; fem. with troch.,180 ; tibia, 1 16 ; tarsus, 7 2 ; claw, 24. 

 Hind leg: " 88; " " 200; " 148; " 84; " 24. 



Scattered over the body are several long thin hairs and short thick 

 spines. The gland-pits are not numerous, and are very small. Caudal 

 tubercles large, round, with two long setae, and several long thin hairs ; 

 the tubercles are well covered with short, stout, spear-shaped spines. 

 Young larva : Antennas 6-jointed, measuring as follows : Joint — (1)24. 

 (2)32. (3)40. (4)24. (5)24. (6)68. 



Hab. — On an old hawthorn tree near London, Ontario, June, 1900. 

 Collected by Mr. John Dearness, to whom the insect is dedicated. This 

 species is allied to P. gossypii and P. Jielianthi, but differs from both in 

 the legs being much shorter, and in the colour of the legs and antennae, 



(to be continued.) 



