CLASSIFICATION OF THE COCCID^. 233 



(2.) Tessaroheliis, Montr. Male with four caudal appendages. 

 M. guerinii, M. championi. 



(3.) Llaveia, Sign. Male with eight caudal appendages ; 

 female antennae 11-jointed. M. axin, M. saundersii. 



(4.) Drosicha, Walk. Male with ten caudal appendages ; 

 female antennae 9-jointed. M. contraliens, M. maskelli, M. leachii, 

 M. biirmeisteri. 



(5.) Monophlebiilus, Ckll. Female with antennae 7-jointed. 

 M. fuscus. 



Stigmacoccus, Hempel. 



Stigmacoccus, Hempel, Eev. Mus. Paulista, iv. (1900), p. 399. 

 Type, asper. 



Perissopneumon, Newstead, Ent. Mo. Mag. 1900, p. 250. 

 Type, ferox. 



$ . Antennae and legs present ; antennae 7- to8-jointed ; abdomen 

 with numerous marginal spiracles. Found in nests of ants. 



Species. — S. asper, Hempel, Brazil ; S. ferox, Newstead, India. 



Lophococcus, Cockerell. 

 Lophococcus, Ckll, 'Entomologist,' 1901, p. 227. Type, 

 mirabilis. 



2 . Fixed, with a strongly chitinous skin, and a long erect spine on 

 the middle of the back, this spine originating as an elevated fold of the 

 skin. No ovisac. 



Species. — L. mirabilis, Ckll., Natal ; on Mimosa. 



Palceococcus, Cockerell. 



Palceococciis, Ckll., Canad. Entom. 1894, p. 36. Ty^e,fusci- 

 pennis. 



Crypticerya, Ckll, Psyche Suppt., 1895, p. 15. Type, rosa. 



Leachia, Signoret, Ann Soc. Ent. France, 1875, p. 359 (not 

 Leachia, Eisso). TjT[)e, fuscipennis. 



2 . Soft, convex, without an ovisac ; genital aperture large, con- 

 siderably anterior to the end of the body ; antennte with 9 to 11 joints. 



<? . Without caudal fleshy tassels. 



Species. — P.fuscipennis, Burm., Europe; P. helleniciis, Gen- 

 nadius, Attica ; P. irregularis. Germ., P. pinnatiis. Germ., and 

 P. trivenosus. Germ., fossil in Prussian amber. 



P. australis, Maskell, Australia; P. nuclata, Maskell, Australia. 



P. eivarti, Newstead, W. Africa. 



P. braziliensis, Walker, Buenos-Ayres ; . P. hempeli, Ckll., 

 Brazil ; P. rosce, Kiley-Howard, West Indies, &c. ; P. mexicanus, 

 Cockerell — Parrott, Mexico ; P. townsendi, Ckll., New Mexico ; P. 

 pliichece, Ckll., New Mexico ; P. simplex, Scudder, fossil at Floris- 

 sant, Colorado. 



Section Mimosicerya, Ckll. Female antennae 9-jointed ; skin 

 strongly chitinous at the sides. P. hempeli. 



» (To be continued.) 



