DIASPIS.—AULACASPIS, 29 
The specimens were collected as the train stopped at different points on the Mexican 
Central Railway. 
ON 
Diaspis townsendi, Ckll. From Silao. Diaspis townsendi, Ckll. From Jalisco, 
my b 
Diaspis townsend?, Ckll. From Silao. 
Belongs to a little group consisting of D. townsendi, Ckll., D. toumeyi, Ckll., and 
D. fagree, Green, between Diaspis and Aulacaspis. The temale resembles Aulacaspis, 
but the male scale is as in Diaspis. 
The species is very variable ; the Silao form is to be considered the type. 
AULACASPIS, CkIl. 
1. Aulacaspis miranda. 
Aulacaspis miranda, Ckll. Ann. & Mag. Nat. Hist., June 1898, p. 437. 
Hab. Mexico: Cuautla and Orizaba (Koebele). 
2. Aulacaspis rose. 
Diaspis rose, Sign. Essai sur les Cochenilles, p. 123 (1869). 
Hab. Mexico: Chihuahua (Townsend). 
This species was originally described by Sandberg in 1784, but was first named 
by Bouché. 
3. Aulacaspis boisduvali. 
Diaspis boisduvalii, Sign. Essai sur les Cochenilles, p. 114 (1869). 
Hab. Mexico: Alta Mira in Tamaulipas (Townsend) ; El Cuyo del Chico Sapote 
in Tabasco (Townsend). Var. tentaculata (Morgan), on “pitahaya” (a cactus) at 
Frontera, June 5, 1897 (Townsend). | 
4. Aulacaspis bromeliz. 
Diaspis bromelie, Sign. Essai sur les Cochenilles, p. 116 (1869). 
Hab. Mexico: Tlacotalpam, April 21, 1898, on Bromelia pinguin (Townsend). 
