THE CANADIAN ENTOMOLOGIST. 



270 



17. Larva with 5-jointed antennse ; anal ring of adult with only 4 

 hairs Cryptococctis, Doug). 



Larva with 6-jointed antenna-, joint 6 long ; anal ring of adult with 

 6 hairs A/itoni?ia, Sign. 



Larva with 7-jointed anteniice, sides very haiiy ; anal ring of adult 

 and larva with 1 7 hairs Kerinicus, Nevvst. 



Tachardiin.+:. 



Anal ring with numerous bristles Tachariiia, Blanchard. 



Anal rings without bristles ; anus fuinished wiih two membranous lobes, 



the edges of which are bristly Gascardia, Targ. 



(To be continued.) 



THE CLOVER-ROOT MEALY BUG. 



Dadylopms trifolii, Forbes. 



BY R. H. PETTIT, ASSIST. B-NTOMOLOGIST AGR. COLLEGE, MICH. 



On July I, 1893, the writer collected a number of mealy bugs on 

 clover (Trifolium pratetise) at Ithaca, N. Y. They were found at about 

 the level of the ground between the several stems of the plant, and also 

 on the roots under the soil. On July 17 of this year the same insect was 



Fig. ?4. — Dactyloi'ius trifoi.ii. 



found on the same plant at Agricultural College, Mich. As they were 

 both supposed to be D. trifolii, Forbes, a comparison was made with 

 the original description.* 



In this description the insect is credited with having seven joints to 

 the antenna?, and as the adult females found here and at Ithaca have 

 eight, the male pupa was examined. This form has seven joints, and 



* T4th Rep. of State Entomologist of 111. for year 1S84, by S. A. Forbes. 



