86 PAPEE3 ON COCCID^ OR SCALE INSECTS. 



Genus LACHNODIELLA von Ihering. Type, cecropise. 



Lachnodiella von Iher. (sine descr.), Bot. Jahrb., xxxix, 5, p. 680 (1907). 

 Sanders, Catalogue Coccidae— II, p. 40 (19^9). 

 Hempel, Rev. Mus. Paul., viii, p. 52 (1911). Descr. 



Lachnodiella cecropise von Ihering. 



Lachnodiella cecropise von Iher. (sine descr.), Rot. Jahrb., xxxix, 5, p. 680 (1907). 



Sanders, Catalogue Coccidse— II, p. 40 (1909). 



Hempel, Rev. Mus. Paul., viii, p. 52 (1911). Descr. 

 Habitat — Brazil. 

 On Cecropia adenopus. 



Trionymus califomicus Ehrhorn. 



Trionymus califomicus Ehrh., Can. Ent., xliii, 8, p. 279 (1911). Fig. 

 Habitat — California. 

 On Festuca sp. 



Pseudococcus aridorum Lindinger. 



Pseudococcus aridorum Lindgr., Jahrb. Hamb. wiss. Anst., xxviii, 3, p. 7 (1011). Fig. 

 Habitat — Canary Islands. 



On Argyranthemum frutesrens, Cytisus prolifer var. palmensis, graes, Tri/olium 

 panormitanum . 



Pseudococcus crotonis Green. 



Dachjlopius a'otonis Green (sine descr.), Trop. Agr., xxiv, p. 44 (1905). 

 Pseudococcus crotonis Sanders, Catalogue Coccidse — I, p. 5 (1906). 

 Dactylopius crotonis Green, Jn. Ecou. Biol., vi, 2, p. 35 (1911). Fig. 



Habitat — Ceylon. 



On Caslilloa elastica, variegated croton (Codiseum variegatum), Terminalia catappa, 

 Erythrina lithosperma. 



Pseudococcus ledi Cockerell. 



*Pseudococcus ledi Ckll., Ent. News, xxii, 5, p. 217 (1911). 

 Habitat— New York. 

 On Ledum grcenlandicum. 



Pseudococcus mendozinus Leonardi. 



Pseudococcus mendozinus Leon., Bol. Zool. Sc. Sup. Portici, v, p. 255 (1911). Fig. 

 Habitat — Argentina. 

 On Hyalis argentea. 



Pseudococcus obtusus Newstead. 



Dactylopius (Pseudococcus) obtusus Newst., Mitt. zool. Mus. Berlin, v, 2, p. 164 (1911). 

 Fig. 

 Habitat — German East Africa. 

 On Baobabrinde. 



Pseudococcus percerosus Leonardi. 



Pseudococcus percerosus Leon., Bol. Zool. Sc. Sup. Portici, v, p. 254 (1911). Fig, 

 Hab itat — Argen tina . 

 On Gourliea decorticans. 



Genus HELIOCOCCUS Sulc. Type, bohemicua. 

 Eeliococcus Sulc, Cas. Spolec. Ent., ix, 1, p. 39 (1912). 



