SUBFAMILY ERIOCOCCINAE 145 



press! Coleman from California on Cupressus, Pinus, Torreya, and Se- 

 quoia. 



Rhizococcus Sign. This genus includes about twelve described 

 species, one from France, gnidii Sign, on roots of Daphne, is the type; 

 one from Texas, texanus King from the nests of Cremastogaster ; and all 

 the other species are from the Australian region. 



Eriococcus Targ. This genus contains over sixty species. The 

 following have been recorded from America: adenostomae Ehrh. from 

 California on Adenostoma; araucariae Mask, from New Zealand, Ceylon, 

 Hawaiian Islands, South Africa, California on Araucaria, Kunzea; 

 arenosus Ckll. from New Mexico; armatus Hemp, from Brazil on Bac- 

 charis; artemisiae Knw. from California on Artemisia; aurescens Ckll. 

 from Mexico on "Guasima;" azaleae Comst. from Massachusettes, New 

 York, District of Columbia, Ohio, Indiana, Michigan on Azalea, Cratae- 

 gus, Rhododendron; bahiae Ehrh. from California on Bahia, Gutierrezia; 

 borealis Ckll. from Alaska on willow; brasiliensis Ckll. from Brazil on 

 Baccharis; catalinae Ehrh. from California on Artemisia; coccineus 

 Ckll. from Nebraska on Cactus; diversispinus Leon, from Argentina on 

 Zaccagnia; dubius Ckll. from Mexico; eriogoni Ehrh. from Arizona on 

 Eriogonum; gilletti Tins, from Colorado on Juniperus; howardi Ehrh. 

 from California on Quercus; kemptoni Parr, from Kansas on Andropo- 

 goa; larreae Parr. & Ckll. from New Mexico on Larrea; multispinosus 

 Kuhlgatz from South America on Cactus; neglectus Ckll. from New 

 Mexico on Atriplex; palmeri Ckll. from Carmen Island, Lower California 

 on Bourreria, Eriogonum; parcispinosus Leon, from Argentina on Atri- 

 plex; perplexus Hemp, from Brazil on Myrtaceae; quercus Comst. from 

 Massachusette, Florida, New Mexico, Arizona, Mexico on Quercus, gall- 

 berry, Vaccinium, Prosopis, grass; salinus Ehrh. from California on 

 Distichlis; and tinsleyi Ckll. from New Mexico on Atriplex, Malvastrum, 

 Gutierrezia. 



Gossyparia Sign. This genus contains five species, three from 

 the Australian region and two from Europe. One of these latter, spuria 

 Modeer on elm, has been introduced into the United States. 



Lachnodius Mask. A genus containing three described species 

 from Australia on Eucalyptus and Acacia. 



Lachnodiella Hempel. A single species, cecropiae Hempel from 

 Brazil on Cecropia, is included. The name of this genus and species 

 was first offered in print by von Ihering, but no description of either was 

 given by this author. 



Micrococcus Ieon. A single species, silvestri Leon, from Sardinia 

 from the nests of Tapinoma, is included. 



Atriplicia Ckll. & Rohw. A genus of gall making eriococeids 

 containing a single species, gallicola Ckll. & Rohw. from New Mexico and 

 Colorado on Atriplex. 



Tectococcus Hemp. There is a single species, ovatus Hempel 

 from Brazil on Myrtaceae. 



Cissococcns Ckll. A single species, fulleri Ckll. from South 

 Africa on Cissus is included. Ehrhorn has referred oahuensis Ehrh. from 

 the Hawaiian Islands on Urera doubtfully to this genus. 



Antonia Sign. The American species of this genus can be 

 arated by means of the following table: 



