^^l•. A. Hempel on lirdziltun Coccidae. '.VJ7) 



exteiidiiif^ to the tij) of claw. Digitule.s of claw larger, with 

 expanded ends. Ko.struin small, situated between tiio an- 

 tennai and first pair of legs. Mentum large, dimerous. 

 Rostral loop long. Eyes small, oval. Anal ring with six 

 hairs. Anal tubercles i)resent, each terminating in a long 

 seta, and bearing several hairs and four or five short thick 

 spines. The last five or six segments of the abdomen boar, 

 on the lateral margins and dorsum, several groups of these 

 short, thick, spear-shaped spines, each group consisting of 

 four or five spines. Scattered over both surfaces of the body 

 are small round spinnerets, short spear-shaped hairs, and 

 many short cylindrical glands. These glands are especially 

 numerous on the lateral and caudal margins of the abdomen. 

 Lengtii 2*70 milliin. 



Larva. — Lengtii "44 millim., oval. Antennte of six joints, 

 joint G the longest. Legs short, thick ; digitules slender. 

 Anal ring with six hairs. Anal tubercles not conspicuous, 

 each ending in a seta, and bearing two short sharp spines. 

 The dorsum bears about sixteen transverse rows of short hairs. 



I/af). Ypirauga, on Baccharis sp. The individuals are 

 clustered around the stem, close to the ground, on the roots, 

 and also on the ends of the branches. 



Genus Dactylopius, Costa. 

 Dactylopius grandis^ Hempel. 



Adult female oval in outline ; dorsum convex, rounded, 

 dark orange in colour. The dorsum is covered with a white 

 powdery secretion, arranged in one submedian and one sub- 

 lateral longitudinal row on each side. Around the lateral 

 margin there is a fringe of short white tufts. There are also 

 two long acuminate anal tufts. Sometimes the secretion has 

 a yellowish tinge. The adult rests upon a cushion of white 

 cottony matter that contains the young; this cotton readily 

 adheres to anything it touches. The largest sj)ecimens are 

 750 millim. long, 5 millim. wide, and '6 millim. high. 



Antennae of eight joints, joint 8 being the longest; joint 1 

 thick, nearly twice tlie diameter of joint 2. Length of joints 

 variable, joints 3, G, 5, and 7 being subcqual and joints 1 and 

 2 being subcqual ; sometimes 1, sometimes 2, is the longer. 

 Approximate tormula : 8 2 1 5 (.'5 G 7) 4. Average length 

 of antenna '48 millim. All the joints bear hairs. Length of 

 the joints: (1) 67, (2) 71, (3) 49, (4) 36, (o) 53, (6) 47, 

 (7)49,(^8)98. Eyes small, conical. Legs short, stout, with 

 tew hairs ; coxa wider than lono ; tarsus and tibia about 



26* 



