SCALE-INSECTS. 93 



54. ERIOCOCCTJS ARAUCARI^, Maskell. 



N.Z. Trans., VoL XI., 1878, p. 218 ; Vol. XVI., 1883, 

 p. 134. 



Rhizococcus araucaria, Comstock; Rept. of Entom., U.S. 

 Agric. Dept., 1881, p. 339. 



(Plate XIV., Fig 1.) 



Sac of adult female white, cottony, elongated, often aggre- 

 gated in masses ; length, about -j^in. 



Sac of male similar, but much smaller. 



Adult female elongated-oval, convex, segmented; colour 

 yellowish ; anal tubercles brown, conspicuous. Length of insect, 

 about y^in. Antennae of six joints, with some hairs. Feet 

 normal. Anogenital ring inconspicuous, with eight short hairs. 

 On the edge of the body a row of conical spines (spinnerets). 

 After gestation the insect loses its regular oval outline, shrivel- 

 ling up at one end of the sac. 



Young larva and female of second stage similar to adult, 

 but smaller. 



Adult male, " a delicate fly-like creature, with two large 

 wings and a pair of long waxen filaments projecting from posterior 

 part of the abdomen ; these filaments are very conspicuous, being 

 white, and longer than the bocly of the insect. Colour of 

 body white, with many irregular markings " (Comstock, loc. 

 cat.). 



Habitat in New Zealand On Araucaria excelsior (Norfolk 

 Island pine), Governor's Bay, Canterbury. In America, on 

 same plant. 



This insect is not greatly different from E. buxi, Signoret ; 

 but the sac differs, and there are a few distinguishing characters 

 in the form of the antennse and feet. 



55. Eiuococcus HOHERI^E, Maskell. 



N.Z. Trans., Vol. XII., 1879, p. 298 ; Vol. XIX., 1886. 



(Plate XIV., Fig. 2.) 



Sac of adult female white, cottony, irregularly elliptical, 

 slightly convex, often aggregated in masses; frequently so 

 covered with black fungus as to present the appearance of a 

 minute gall. 



Sac of male white, convex, smaller and more elongated than 

 that of the female. 



