214 Mr. A. Hem pel on Brazilian Coccidse. 



agree in having a narrow fringe of white secretion around the 

 ventral margin. It leaves an oval patch of white wax behind 

 when removed from the hark. Length 8 millim., width 7'25 

 millim., height 1*50 millim. Anal cleft 275 millim. long, 

 sides contiguous. Boiled in a solution of KOH it stains the 

 liquid dark red. The derm remains thick and brown, the 

 colour being differentiated into a series of light and dark 

 brown concentric rings. The marginal ring is light brown 

 and narrow ; within this there is a narrow dark brown ring, 

 then a wide light brown ring, then a narrow darker ring, then 

 a light ring of the same widtli,and, finally, a dark brown oval 

 central spot. The entire derm is crowded with large irregular 

 glands, with the opening near one side. Tliree or four rows 

 of marginal glands are smaller than the others. 



The antennae are small and variable, of six joints. Joint 3 

 is the longest and sometimes has a false joint. All the 

 segments bear hairs. Length about "258 millim. Approxi- 

 mate formula: 3 I (2 6) (4 5) or 3 1 6 (2 4) 5. Length of 

 ot joints: (1) Hf), (2) 31, (3) 106, (4) 27, (5) 27, (6) 31. 

 Legs short. The coxa be-irs two and the trochanter bears 

 one long hair. Length of joints of first pair of legs : coxa -J9, 

 trochanter and femur 124, tibia 67, tarsus and claw 84. 

 Claw small, greatly curved ; digitules unequal in size, with 

 expanded ends. Digitules of tarsus long and slender, with 

 ends slightly expnnd(;d. Second and third pair of legs close 

 together. JRoslrum small, placed near the insertion of the 

 second pair of legs. Anal plates small, the outer angrle 

 rounded, and the two lateral sides equal in length. The 

 stigmata are large and disk-shaped, witli about a dozen small 

 round spinnerets about the external orifice. Around the 

 lateral n)argin there is a single row of small, sharp, conical 

 hairs, placed about "120 millim. apart. 



The eggs are elliptical, smooth, dull, orange-yellow in 

 colour. 



Hah. Ypirauga, State of S. Paulo. On guava, Psidiun 

 sp., and other plants of the order Myrtacege. 



'Ihis species evidently secretes a great deal of honey-dew, 

 for It is frequently covered with a black fungus, and is also 

 attended by an ant, Camponotus sp., that often builds a 

 covering of earth or grass over it. This covering may 

 serve as a protection against rain and sun and parasitic 

 Hymenoptera. 



Lecanium mai/teni, Hempel. 



Adult female very dark purple, almost black, oval, not 

 very convex ; dorsal surface hard, moderately shiny, slightly 

 roughened by gland-pits ; margin thin, wrinkled ; two chalky 



