172 ;, , THE COCCIDAE 



pression, portion on each side of depression ele- 

 vated and subconical with grooves radiating 

 from their apices, probably not free from body 

 of insect; antennae of adult female consisting 

 of eight segments. Parafairmairia Ckll. 



ii. Test of adult female convex, subglobular, free 

 from body of insect, surface roughened by 

 irregular granules or symmetrical polygonal 

 plates of wax; antennae of adult female consist- 

 ing of eight segments Ceropl'astodes Ckll. 



dd. Antennae wanting or indicated only by two impressions; 

 insect enclosed in test that is deeply incised at stigmatic and 

 anal clefts; opercula twice as long as wide; insects living in 

 nests of ants Myxolecanium Beccari. 



cc. Adult female with legs rudimentary or wanting. 



d. Adult female with antennae present, consisting of one to 

 seven segments. 



e. Adult female covered by hard brown test, mesal portion 

 formed during nymphal life; antennae consisting of seven 

 segments; cuticle of dorsal aspect not with large alveolae. 



LecanocMton Mask. 



ee. Adult female covered by thin glassy test, all formed by 

 adult; antennae short with indistinguishable segments; 



cuticle of dorsal aspect with large alveolae 



Neolecanium Ckll. & Parr. 



dd. Adult female with antennae wanting. 



e. Test of adult female flat and circular, divided into two 

 parts on dorso-meson, with rows of air-cells 



Platinglisia Ckll. 



ee. Test of adult female always more or less convex and never 

 provided with air-cells. 



f. Test of adult female convex, thin glassy scale, divided 

 into two parts by longitudinal furrow, forming sub- 

 lateral low cones with concentric but not longitudinal 



striae; anal ring with seven anal ring setae 



Pseudokermes Ckll. 



ff. Test of adult female convex, semitransparent thin 

 glassy scale, divided into two parts by longitudinal 

 furrow, with low eminence on each side of furrow, pro- 

 vided with radiating and concentric striae; anal ring 



with six anal ring setae Schizochlamidea Ckll. 



aa. Body of adult female always naked, never attached to or encased in 

 distinct mass of wax of varying form and consistency or with body 

 covered by thin sheet of opaque or glassy wax, at mosit only with 

 powdery bloom or thin covering or patches of pulverulent wax on 

 dorsal or ventral aspects; abdomen of adult female never with 

 segmentation indicated. 



