182 Journal New York Entomological Society. [Voi. v. 



Tachardia mexicana Comst. Tampico (Tamaulipas). On 

 Mimosa sp. Collector unknown; material found by Comstock ia Mu- 

 seum Comparative Zoology. 



Peculiar to Mexico. 



Tachardia larreae Comst. Northern Sonora (probably). On 

 Larrea tridentata. Recorded by Comstock as occurring in southern Ari- 

 zona and Mexico. 



Peculiar to the Larrea region of southwestern Arizona and north- 

 ern Sonora. Tachardia is a Neotropical genus entering the United 

 States only in Arizona and New Mexico (and probably Texas). 



Lichtensia Iiitea CklL Vera Cruz (Vera Cruz). On Croton 

 sp., May 7, 1893. Coll. CklL 



Peculiar to Mexico. 



Pulvinaria camellicola Sign. (?). Tehuantepec City (Oaxaca). 

 On Flcits sp., May 26, 1896. Coll. Towns. 



Known elsewhere in Europe, New Zealand. As Professor Cocker- 

 ell did not see these specimens they may be the same as his P. slmulatis. 



Pulvinaria simulans CklL var. Northern Tamaulipas (prob- 

 ably). Occurs in the lower Rio Grande Valley. On a cultivated cap- 

 rifoliaceous shrub at Brownsville, June i, 1S95. Coll. Towns. 



Known elsewhere only in Georgia, 



Pulvinaria simulans CklL Monterey (Nuevo Leon). On 

 " fitolaca," which is another name for avocado pear, Oct. 17, 1894; and 

 Oct. I, 1895. Both coll. Towns. 



Known elsewhere only in Trinidad (Port of Spain). Professor 

 Cockerell says: "Nearer the Trinidad type, from which it hardly dif- 

 fers, than the Brownsville insect. It has 7-jointed antennae, 3d joint 

 longest, the rest subequal, 6 a little shorter, 2 a little longer than i. 

 Tarsal digitules filiform, digitules of claw short, bulbous at base, and 

 with very large knobs." 



Ceroplastodes niveus CklL Montezuma (Chihuahua). On 

 spiny shrub. May 12, 1893. Coll. Ckll. 



Peculiar to Mexico. 



Ceroplastes irregularis CklL Montezuma (Chihuahua). On 

 Atriplex canescens, May 12, 1893. Coll. Ckll. 



Peculiar to Chihuahua and southern New Mexico. 



Ceroplastes cistud if orm is Tow?ts &• Ckll. Guanajuato (Guan.). 

 On Bignonia sp. and Chrysanthemum sp. Coll. Duges. 



