529. Pseudococcus trifolii (Forbes). 

 {Clover-7'oot Mealy bug) 

 Coccus trifolii Forbes, 14th Rep. Ins. 111., p. 72 (1885). 



" " Davis, Can. Ent., xxvi, p. 271 (1894). 



Dactylopius trifolii " Bull. 116, Mich. Exp. Sta., p. 58 (1S94). 

 " " " Ins. Life, vii, p. 172 (1894.) 



" " Osborn, Contr. la. Ag. Coll., p. 2 (1898). 



" " Pettit, Bull. 200, Mich. Exp. Sta., p. 193 (1902). 



Habitat.— 111.; Mich.; la.; N. Y. 

 On clover. 



530. Pseudococcus tuliparum (Bouchd). 



Coccus tuliparum Bouch^, Stett. Ent. Zeit., v, p. 301 (1844). 

 Dactylopius " Sign., Ann. Soc. Ent. Fr., (5), v, p. 323 (1875). 

 Habitat. — S. America. 



531. Pseudococcus viburni (Sign.). 



Dactylopius viburni Sign., Ann. Soc. Ent. Fr., (5), p. 323 (1875). 

 Habitat. — France; Maritime Alps. 

 On Viburnum. 



532. Pseudococcus virgatus (Ckll.). 



Dactylopius virgatus Ckll., Tlie Entom., xxvi, p. 178 (1893). 



" " " Ins. Life, V, pp. 246, 247 (1893). 



" " " Bull. Bot. Dep. Jam., No. 46, p. 2 (1S93). 



" ceriferus Newst., Ind. Mus. Notes, iii. No. 5, p. 24 (1895). 



" virgatus Ckll., Can. Ent., xxvii, p. 259 (1895). 



" " How., Ins. Life, vii, p. 430 (1895). 



" talini Green, Ind. Mus. Notes, iv. No. i, p. 7 (1896). 



" ceriferus Mask.. N. Z. Trans., xxix, p. 320 (1897). 



" virgatus Tins., Can. Ent., xxx, p. 22 (1898). 



" " de Charm., Pr. Soc. Amic. Scien., p. 44 (1899). 



Pseudococcus " Kirkaldy, Fauna Haw., iii, pt. 2, p. 103 (1902). 

 Habitat. — Jamaica; Sandwich Islands ; Mauritius: Mexico; Texas, 

 On Cactus; cocoanut-palm ; cotton: violets: Acalypha. 



Pseudococcus virgatus farinosus (Ckll.). 

 Dactylopius virgatus var. farinosus Ckll.. The Entom., xxvi, p. 178 (1893). 

 Habitat. — Jamaica. 

 On Prosopis juliflora. 



Pseudococcus virgatus humilis (Ckll.). 

 Dactylopius virgatus var. humilis Ckll., The Entom., xxvi, p. 179 (1893). 

 Habitat. — Jamaica. 

 On Tribulus cistoides. 



