THE CANADIAN ENTOMOLOGIST. 317 



NOTES ON COCCID^, WITH DESCRIPTIONS OF 



NEW SPECIES. 



BV J. D. TINSLEY, NEW MEXICO EXPERIMENT STATION, 

 MESILLA PARK, N. M. 



ErIOCOCCUS TiNSLEYl, Ckll. 



Adult (^ . Lengtl], 1.3 mm.; expanse of wings, 2.5 mm.; 

 colour, head and abdomen purplish-gray ; mesothorax light ochreous, 

 some specimens show a white longitudinal streak on the abdo- 

 men. Legs and antennse concolorous with body. Antennje 10- 

 jointed. Joint 2 is bottle shaped, proximal end smallest, 70 ji. long, 

 practically identical with second joint of PJienacoccus solenopsis, Tins., 

 except that E. Tinsleyi has a number of stout blunt spines interspersed 

 with the bristles ; joint 3 cylindrical, considerably longer than any of 

 the others (130 /x long), only differing from P. solenopsis in having the 

 stout blunt spines; joint 4 often shorter than 5, but sometimes longer, 

 76-85 /x ; joint 5, 81-87 /'• long ; joint 6 usually next, longer than 

 2, 68-78 /x long ; joint 7 shorter than 2, 68 /x long; joint 10 usually 

 next, 65 /x ; next 8, 56 \i; shortest 9, 50 /x. Joint 10 is flask shaped, 

 tapering distally. All the segments bear the stout blunt spines, 

 interspersed with rather stout bristles. Formula 3, 5, 4, 6, 2, 7, 10, 8, 9. 



Legs rather slender; femur tapering proximally, 18c /x long, with 

 some medium sized bristles ; tibia quite slender, tapering very slightly 

 proximally, 250 // long, quite bristly, with the stout blunt spines inter- 

 spersed ; tarsus bristly and with the stout blunt spines, 90 /x long, 

 bearing a pair of short stout digitules which are very slightly dilated at 

 the end ; claw rather slender, 20 /x long. 



The usual pair of long slender white caudal filaments. Male sac 

 creamy white, about 2 mm. long and .75 mm. wide, elliptical, inclining 

 to cylindrical. • 



Hab. — On roots and portions of stems lying on the ground, of 

 Atriplex canescens. A. and M. College campus, Mesilla Park, N. M.; 

 Aug, 4, 1898; coll. J. D. Tinsley. 



Eriococcus Tinslevi, Ckll. 



9 . Having recently studied this species somewhat in detail, I 

 wish to add the following facts to Prof. Cockerell's description in 

 Canadian Entomologist., Vol. XXX., No. 9, p. 247. The antennae 



