SCALE-INSECTS. 99 



SUBDIVISION II. DACTYLOPHXE. 



THE "MEALY-BUGS/' 



Female insects active or stationary ; naked, or covered with 

 mealy,, cottony, or waxy secretion. Body segmented. Antennae 

 of from six to nine joints. Feet present. Anogenital ring 

 large,, usually conspicuous,, with several long hairs. Anal 

 tubercles small, inconspicuous. 



Males of general form of the family. Eyes sometimes 

 facetted, usually granular. 



Genus: DACTYLOPIUS, Costa. 



Adult females having antennae of eight joints ; anogenital 

 ring with six hairs. Naked, or more usually covered with mealy 

 or cottony secretion. 



Male pupa enclosed in cottony sac. 



60. DACTYLOPIUS ALPINUS, Maskell. 



N.Z. Trans., Vol. XVI., 1883, p. 138. 

 (Plate XVII./Fig. 1.) 



Adult female dark-purple in colour, producing a rich red 

 tint in alcohol ; body segmented, convex, slightly elongated, 

 stationary ; enclosed in a thick mass of white cottony secretion. 

 Length, about ^in. Internal substance very oily. Anal tubercles 

 inconspicuous, thick, with broad bases. Anogenital ring large, 

 with six hairs. Feet normal ; upper digitules long fine hairs ; 

 lower digitules somewhat broader. Antennae of eight joints. 

 On the dorsum a number of tubular projecting spinnerets, and 

 others circular. On each of the last three abdominal segments 

 a row of large conical spines. 



Female of second stage dark-brown, active, elongated, seg- 

 mented, flatter than the adult; length, about ^in. Anal 

 tubercles inconspicuous, setiferous. A few conical spines on the 

 posterior segments. Antennae of six joints. A thin mealy 

 secretion on the body. 



Young larva dark-brown, naked, active, elongated, segmented ; 

 length, about ^in. Antennae of six joints. Anal tubercles 

 thick, broad, and more conspicuous than in the adult. A few 

 small spines on the dorsum. 



Adult male unknown. 



Habitat On Veronica sp., Upper Waimakariri Valley, 

 Southern Alps. 



