6 HEMIPTERA-HOMOPTERA. 
3. Pseudococcus confusus. 
Coccus confusus, Ckll. Amer. Nat. 1893, p. 1043. 
Hab. Mexico: Cuautla, July 25, 1897 (Koebele, in coll. U.S. Dep. Agric., det. 
Pergande). 
Described from New Mexico. 
ERIOCOCCUS, Targ.-Tozz. 
1. Eriococcus dubius. — 
Eriococcus dubius, Ckll. Bull. 4, Techn. Ser., Div. Ent., Dept. Agric. (1896) p. 37. 
Hab. Mexico: Valles (Townsend). 
2. Eriococcus quercus. 
Rhizococcus quercus, Comst. Rep. U. S. Dept. Agric. for 1880 (1881), p. 340. 
Had. Norra America, Florida.—MeExico, Guanajuato (Dugés). 
Originally described from Florida. 
CEROCOCCUS, Comst. 
1. Cerococcus corticis. 
Cerococcus corticis, Towns. & Ckll. Journ. N. Y. Ent. Soc. 1898, p. 170. 
Hab. Mexico, Nogales in Sonora (Koebele). 
SOLENOCOCCUS, Ckil. 
Solenococcus, Ckll. Bull. Ills. State Lab. Nat. Hist. 1899, p. 392. 
(Solenophora, Maskell, nec Solenophora, Benth. 1840, nec Solenophorus, Crepl. 1839, nec 
Solenophorus, Muls. 1840.) 
1. Solenococcus koebelei. 
Solenophora koebelei, Ckll. Ann. & Mag. Nat. Hist., June 1898, p. 429. 
Hab. Mexico, Tulare (Koebele). 
Mr. E. E. Green (in litt.) suggests that Solenococcus might be merged in Cerococcus, 
but I think they are sufficiently distinct. 
-POROCOCCUS, CkIl. 
1. Porococcus tinctorius. 
Porococcus tinctorius, Ckll. Ann. & Mag. Nat. Hist., June 1898, p. 427. 
Hab. Mexico, Amecameca (Koebele). 
