SOME NEW COCCIDAE 



collected at Campinas, Brazil, by Dr. F. Noack. 

 By T. D. A. COCKERELL. 



The new species of Mytilaspis and Pseudoparlatoria 

 are only briefly described, as their full descriptions will 

 appear elsewhere '). The new Lecanium is here described 

 for the first time. 



(i) Lecauiitm perconvcxum n. sp. — Female scale 

 very convex, long. 3 V4, lat. 2, alt. 2 'A mm., brown-black, 

 not very shiny; with minute specks of a lighter color; and 

 irregular patches of dull white waxy secretion, especially 

 at the side ; sometimes all rubbed off. Female boiled in 

 caustic soda, stains the liquid dark brown. Antennae re- 

 presented by a short thick bristl}^ protuberance ; legs very 

 short, tapering, with about the form of a carrot; femur 

 and tibia broader than long; digitule present, short and 

 filiform ; mouth-parts small ; dermis chitinous, yellowish- 

 brown, with numerous large round and oval gland-pits, 

 and some small glands interspersed. Marginal spines very 

 small, simple; anal plates triagonal, with rounded corners, 

 the antero-lateral side longer than the postero-lateral; anal 

 ring with only a few bristles. 



Male scale very small, scarcely over i mm. long, about 

 Vs mm. broad, pale brownish, shiny, wrinkled, covered 

 with a coating of dull white secretion, which is easily 

 deciduous. Hab. — Campinas, Brazil, abundant on twigs 



') cf. Cocker ell T. D. A. Three New Coccidae of the Subfamily 

 Diaspinae. Psyche Vol. S, 1898, pp. 201—202. 



Revista do Museii Paulista. Vol. HI 



