.*)60 Mr. A. Hempel on Brazilian Coccidte. 



Ceroplastes communis^ Hempel. 



Adult female scale oval in outline, dorsum convex ; wax 

 not sliinv, pinkish white, usually covered with a black fungus, 

 divided into seven distinct plates; hard and very thin, so 

 tliat in the older specimens the derm is frequently exposed. 

 Wiien removed from the bark it leaves an oval patch of 

 ■wliite wax behind. Length 6'25 millim. ; width 5*50 millim. ; 

 height 4:'75 millim. Denuded of wax the insect is oval ; 

 dorsum convex, dorsal nucleus present, elevated, the other 

 nuclei not distinguishable. Derm light yellow, siiiny, not 

 smooth, slightly chitinous, and with few pits. No humps are 

 present. Boiled in a solution of KOH it colours the liquid 

 light yellow. The derm becomes softer and semitransparent. 

 Antennje variable, usually of seven joints; frequently, 

 however, an extra false joint is present. Length ••4G0 millim. 

 to '-lOS millim. All the joints except joint 3 bear hairs. 

 Approximate formula: 4 (3 1 2) 7 (5 6). Length of joints: 

 (1) 70-75, (2) 66-70, (3) 70-79, (4) 129-133, (5) 35-40, 

 (6) 35-40, (7) 40-46. Legs ordinary ; length of joints of 

 first pair of legs : coxa 155, femur and trochanter 245, tibia 

 168, tarsus 114, claw 31, digitules of claw 48. Tarsal digi- 

 tules slender, with expanded ends extending to the tips of the 

 digitules of claw ; the latter are wide and have round ex- 

 panded tips. Rostrum well-developed, placed behind the 

 insertion of the first pair of legs. Rostral loop short. 

 Caudal horn very short and wide, inconspicuous. Anal ring 

 with six long hairs. Stigmatal areas characterized by a 

 horseshoe-shaped depression on the ventral surface, with 

 about twenty conical spines and forty to fifty round spin- 

 nerets. The margin of the body is thickly set with a double 

 row of short sharp conical spines and a few longer hairs. 

 The dorsal derm is homogeneous without any apparent 

 glands. 



Eggs small, elliptical, smooth, shiny, almost white when 

 laid, but becoming light yellow. 



Ilah. Ypirauga, State of S. Paulo. On the branches of 

 Moytenus sp. 



Ceroplastes variegatus^ Hempel. 



Adult female scale oval at base ; dorsum elevated, forming 

 a pyramid. Wax shiny, distinctly divided into seven plates, 

 one dorsal and six lateral. Dorsal and lateral nuclei present, 

 brown ; wax depressed about the nuclei. Colour of wax on 

 the surface white and pink in concentric rings around each 



