SCALE INSECTS (• COCCID.^ ") OF ACSTHALiA. 69 



((Littler), and on the stems of Eucalyptus, sp., Albiuv, New South Wales. 

 The bark infested with this scale is usually cracked and roughened with a 

 sugary secretion and some fumagine, the sacs often lialf buried in tlie 

 roughened bark, and irregular in form. 



Adult female sac dull yellow to dirty white, elongated, elliptical, sometinxcs 

 segregated in masses, and irregular in form; com})osed of filaments com- 

 pressed into a leathery consistency, with a large opening at the anal 

 •extremity. Length about /^ of an inch, but varies (-onsiderably both in size 

 and form. 



Adult female dark red or brownish, elonga4;e oval, tapering to the ex- 

 tremity, sub-globular. About -i-,j-of an inch in length. Antennse composed 

 of six joints, the fiirst three subequal, the third slightly longest, but all much 

 longer than the fourth and fifth, the sixth rather short. Legs slender, tarsus 

 nearly twice as long as the tibia. Anal ring with eight hairs. No marginal 

 spines, but each segment bearing a transverse row of fine spines. Epidermis 

 bearing a number of small circular orifices. 



Maskel says : " Allied to the New Zealand E. paUidus, but is smaller, 

 iind also diflters in the size and structure of the antenna'." 



338. Eriococcus tepperi. Cat. Coccidse, p. 79. 



Eriococcus tesselatvs, n.S})'. 



The adult females cover the bark oi the young branches and twigs with 

 their sacs, causing the bark to become cracked, discoloured, and covered 

 with a slight waxy secretion. Specimens obtained from Parkes and Manly, 

 Xew South Wales, on undetermined species of Eucalyptus. 



Sac of adult female elongate, irregular in form, often half buried in a 

 <n-ack in the surface of the bark, comprised of cottony filaments closely 

 matted together with a waxy secretion that niakes them brittle and easily 

 broken; dull white to a brown or yellowish tint. Length variable. l)ut 

 usually about iV of an inch. 



Adult female bright red, rounded, oval ; segmcntel divisions distinct, 

 with the abdominal ones tapering to a point at the extremity. Length 

 about rs of an inch. Antenna^ seven-jointed, second and third long, seventh 

 longer than the sixth, with tuft of fine hairs at extremity. Legs well 

 ■developed but slender; til)ia short, tarsus long, claw long and slender 

 <ligitule.s, long hairs slightly dilated at the ti]>s. Anal tubercles short, 

 stout, and rounded at the tip. with a long seta i)roduced from the centre 

 of the tip. with a short one on the outer side and other spines at the base, 

 Anal ring with eight or more hairs, forming a regular brush at the tij) of 

 the abdomen and extending beyond the anal tul)ercles, forming a regular 

 tail between them. The epidermis covered witli scattered small seini- 

 traiispatent s])ines and circulai' orifices, witli the doisal suitace of the 



