80 INSECTS NOXIOUS TO AGEICULTUEE. 



lower digitules is larger than the other. Length of insect, 

 about ^o in. 



Male unknown. 



Habitat in New Zealand On plants in greenhouses; Christ- 

 church, Wellington. In Europe, on Ficus, in hothouses. 



This insect belongs to Signoret's fifth series. 



44. LECANIUM HEMISPH.ERICUM, Targioni-Tozzettr, Stud, sul 



Coccin., 27. 

 Chermes filicum, Boisduval (1867), 336; Targioni, Catal., 



1868, 38, 17. 

 Maskell, N.Z. Trans., Vol. XVII., 1884, p. 29. 



(Plate XI., Fig. 2.) 



Adult female hemispherical, with broad flattened edges ; 

 reddish-brown ; diameter, about -^in. Skin regularly marked 

 with oval perforations ; no keels. Antennae of eight joints. 

 Feet normal, thin. Anal ring with eight hairs. 



Male unknown. 



Habitat in New Zealand On Camellia, Hutt Valley, Wel- 

 lington ; in Europe, on Drac&na australis ; in America, on 

 various greenhouse plants (Comstock). Query Does the 

 European habitat denote an Australian origin ? 



This insect belongs to Signoret's fourth series. 



45. LECANIUM HESPERIDUM, Linnaeus. 



L. hesperidum, Linnaeus, Syst. Nat., 1735, II., 739, 1 ; 



Faun. Suec., 1746, 1015. 

 Coccus hesperidum, various authors. 

 Calymnatus hesperidum, Costa, Nuov. Osserv., 1835 ? 

 Calypticus hesperidum, Costa, Faun. Ins. Nap. Gall-insect., 



1837, 8, 1; Lubbock, Proc. Roy. Soc., IX., 480; Beck, 



Trans. Hoy. Micr. Soc., 1861, 47, &c. 

 Maskell, N.Z. Trans., Vol. XL, 1878, p. 205. 



The Holly and Ivy Scale. 



(Plate XI., Fig. 3.) 



Adult female naked ; yellow, brown, or reddish ; flat or 

 slightly convex ; elongated ; skin smooth, sparsely punctate ; 

 length averaging -j^jin., but specimens reach sometimes ^-in. 

 Antennae of seven joints ; a few hairs on most, but the seventh 

 has several. Abdominal cleft and lobes normal. Feet normal. 

 On the edge of a body a row of small hairs, not set closely 

 together. Viviparous ; at gestation the under-side becomes con- 



