14 HEMIPTERA-HOMOPTERA. 
. Lecanium tolucanum. 
Leonia (Saissetia) tolucanum, Parrott & Ckll. Industrialist, 1899, p. 164. 
Hab. Mexico: Toluca, State of Mexico, on a potato plant, Aug. 1, 1897 Kocbele, 
1699). 
18. Lecanium sonorense. 
Lecanium sonorense, Ckll. & Parrott, Industrialist, 1899, p. 161. 
Hab. Mexico: Hermosillo, on Beloperone californica, Benth., April 22, 1897 
(Koebele, 1711). 
Subgen. Toumeyeuua, Ckll. 
19. Lecanium mirabile. 
Lecanium mirabile, Ckll. Pysche, July 1895, Suppl. p. 3. 
Hab. Mexico: Aguas Calientes, May 1, 1898, on Prosopis ( Townsend). 
Originally described from Arizona. 
Subgen. PsEUDOKERMES, Ckll. 
20. Lecanium armatum. 
Lecanium armatum, Ckll. Ann. & Mag. Nat. Hist., June 1898, p. 436. 
Hab. Mexico: San Francisco el Real, ‘Tabasco ( Zownsend). 
Subgen. Evtecanium, Ckll. 
21. Lecanium perditum. 
Lecanium perditum, Ckll. Canad. Entom. 1897, p. 267. 
Hab. Mexico: Xcolak in Yucatan (Townsend) 
22. Lecanium subaustrale. 
Lecanium subaustrale, Ckll. Entomologist, 1898, p. 131. 
Hab. Mrxico: Amecameca (Koebele). 
23. Lecanium armeniacum. 
Lecanium armeniacum, Craw, Rep. California State Board of Hortic. for 1891 (1892), p. 197. 
Hab. Mexico: Guanajuato, on peach (Dugés). 
Thad taken this for a form of L. persicw, but Mr. Pergande finds it identical with 
Californian examples of L. armeniacum, collected by Mr. Ehrhorn. 
24. Lecanium quercitronis. 
Lecanium (Eulecanium) quercitronis, Fitch, Trans. N. Y. State Agric. Soc. 1858, p. 805; Cockerell 
& Parrott, Industrialist, April 1899, p. 282. 
Hab. Mexico: Soldado Cafion, Sierra Madre, State of Chihuahua, about 7000 feet, 
June 7, 1899, on scrub oak (Zownsend). 
