182 Journal New York Entomological Society. [Voi. v. 
Tachardia mexicana Comst. Tampico (Tamaulipas). On 
Mimosa sp. Collector unknown; material found by Comstock in Mu¬ 
seum Comparative Zoology. 
Feculiar 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 lutea Ckll. Vera Cruz (Vera Cruz). On Croton 
sp., May 7, 1893. Coll. Ckll. 
Peculiar to Mexico. 
Pulvinaria camellicola Sign. (?). Tehuantepec City (Oaxaca). 
On Ficus 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. simulans. 
Pulvinaria simulans Ckll. var. Northern Tamaulipas (prob¬ 
ably). Occurs in the lower Rio Grande Valley. On a cultivated cap- 
rifoliaceous shrub-at Brownsville, June 1, 1895. 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. 1, 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 1. 
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 cistudiformis Towns & Ckll. Guanajuato (Guan.). 
On Bignonia sp. and Chrysanthemum sp. Coll. Duges. 
