SUBFAMILY ASTEROLECANIINAE 189 



d. Nymphs of first stage with four rows of octacerores, 

 antennae with six segments; adult female with anal ring 

 with eight anal ring setae; thorax with four groups of 

 spiracerores. Amorphococcus Green. 



dd. Nymphs of first stage with six rows of octacerores, antennae 

 with six or seven segments; adult female apparently with- 

 out anal ring and anal ring setae, thorax apparently without 

 groups of spiracerores. FrencMa Maskell. 



Lecaniodiaspis Targ. — There are less than twenty-five described 

 species in this genus. The following have been reported from America: — 

 celtidis Ckll. from Texas, Ohio on Celtis; dendrobii Dougl. from British 

 Guiana on Dendrobium; manihotis Towns, from Mexico on Manihot; 

 prosopidis Mask, from Arizona on Prosopis; pruinosa Hunter from Kan- 

 sas on elm; radiata Ckll. from Mexico; rufescens Ckll. from Arizona, 

 California on Adenostoma, Fouquera; rugosa Hemp, from Brazil; tessa- 

 lata Ckll. from Georgia, Florida on Disospyros, hickory; and yuccae 

 Towns, from New Mexico on Yucca, Dasylirion, Parthenium. 



Anomalacoccus Green. — This genus includes a single species, cre- 

 mastogastri Green, from Ceylon from the nests of ants. 



Cerococcus Conist. — About ten species belong to this genus. 

 There is only a single American species, quercus Comst., from California 

 and Arizona on Quercus. 



Asterolecanium Targ. — There are twenty-seven species listed in 

 Fernald's Catalogue and a considerable number of species have been 

 described since its publication. The fellowing species occur in Amer- 

 ica: — aureum Bdv. from Europe, West Indies on Calathaea, Oncidium; 

 bambusae Bdv. from Brazil, Grenada, West Indies, Mexico, Algeria, 

 Ceylon, Mauritius on bamboo; epidendri Bouche from Europe, Jamaica, 

 Trinidad on Epidendrium, Oncidium, Angraecum, Broughtonia; fimbri- 

 atum Fonsc. from Europe, Australia, British Guiana on Leptospermum, 

 Coronilla; miliaris Bdv. from Brazil, Jamaica, Trinidad, Algeria, 

 Mauritious on bamboo; palmae Ckll. from Jamaica on cocoanut-palm ; 

 pustulans Ckll. from Florida, Mexico, West Indies, British Guiana on 

 fig, oleander, mango, peach, Hibiscus, Anona, etc.; quercicola Bouche 

 from Europe, eastern United States on oak; townsendi Ckll. from Mex- 

 ico on "Gusima"; urichi Ckll. from Trinidad, Grenada on palms, 

 Bactris; variolosum Ratz. from Europe, eastern United States, Canada 

 on oak; and viridulum Ckll. from Argentine Republic. 



Callococcus Ferris. — A single species, pulchellus Maskell, from 

 Australia. 



Mycetococcus Ferris. — Two American species are included, 

 ehrhorni Ckll. from California on oak and corticis Towns. & Ckll. from 

 Mexico on oak. These species were previously referred to Cerococcus. 



Pollinia Targ. — A small genus of less than five species, the type 

 species, pollini Costa, has been introduced into California on olive. 



Amelococcus Marchal. — A monotypical genus occurring in Mada- 

 gascar on Euphorbia. The single species, allaudi Marchal, was con- 

 sidered as an eriococcid. The form of the body, the anal lobes, the 

 position of the anal ring, the four longitudinal rows of circular tuber- 



