Dec. 1897J TOWNSEND : CATALOGUE OF MEXICAN COCCID/E. 189 



material inadequate. If it is not citricola, it certainly is not any of the 

 known Mexican species. The group to which it belongs is a very crit- 

 ical one, and one must have good material " (Ckll.). 



Mytilaspis gloverii Pack, (a) Tampico (Tamaulipas). On 

 orange, Oct. 14, 1894. Coll. Towns, (d) Matamoros (Tamaulipas). 

 On orange, Dec. 9, 1894, and June i, 1895. Coll. Towns. (<:) La- 

 guna, on Carmen Island (Campeche). On orange, April 24, 1896. 

 Coll. Towns, (d) Izamal (Yucatan). On orange, April 28, 1896. 

 Coll. Towns. (^) Jalapa (Vera Cruz). On orange. May 19, 1896. 

 Coll. Towns. 



Known elsewhere in Louisiana, Florida, south Europe, Texas 

 (Brownsville. Coll. Towns.), Bolivia (La Paz), California, Japan, 

 Ceylon. 



Mytilaspis philococcus Ck//. Guanajuato (Guan.). On cac- 

 tus. Coll. Duges. 



Peculiar to Mexico. 



Mytilaspis carinata CkU. Acapulco (Guerrero). On " plants 

 like Anthuriumy Coll. Craw on plants entering port of San Fran- 

 cisco. 



Peculiar to Mexico. 



Howard ia biclavis Corns t. Southern Mexico. On lime. Coll. 

 Craw on plants entering port of San Francisco. 



Known elsewhere in Tahiti, Trinidad, Sandwich Islands, Ceylon. 



Chionaspis citri Comst. {a) Tamipico (Tamaulipas). On 

 orange and tangerine, Oct. 14, 1894. Coll. Towns, {b) San Rafael 

 (Vera Cruz). On orange, June 19, 1896. Coll. Towns, (r) Laguna, 

 on Carman Island (Campeche). On orange, April 24, 1896. Coll. 

 Towns, (d) Izamal (Yucatan). On orange, April 28, 1896. Coll. 

 Towns. 



Known elsewhere in Louisiana, Cuba, Bermuda, Antigua, Trini- 

 dad, Demerara, Australia, New Zealand, Tonga, Japan, Samoa. 



Chionaspis furfurus, var. ulmi Ckll. Northern Tamaulipas 

 (probably). Occurs in Lower Rio Grande Valley. On Ulmus crassi- 

 folia in Brownsville, Texas, May i, 1895. Coll. Towns. 



Peculiar to Rio Grande Valley. C. furfurus Fitch, is known in 

 Massachusetts, New York, Illinois, Maryland, southern California. 



This ends the list of species so far known from Mexico. It should 

 be stated that Lecanium verrucosum and Dactylopius calceolarice have 

 been erroneously recorded from Mexico. 



