418 Transactions. 
i I have 
cond locality is Gollan’s Valley, Wellington, also near the sea. ү 
ыы it ster other food-plant, nor even on the same food ЫЫ 
other similar localities in the same district. The males appear | pe Bi 
I have only one male among some twenty-eight females; | s ps 
ecimens were nearly all collected early in October it is qui : n m 
that the females had appeared first and the males had not reac 
i of abundance. ; ; 
<r been noticed in connection with Paradorydium westwoodi 
Cephalelus leptocarpi n. sp., the insect is frequently (always, n шу саа 
ence) confined to a very small patch, though there may be eme 
the food-plant, which grows often in pure associations, in the 1 
icinity. 
6 The adults are rather sluggish, but are capable of leaping e pe 
though the posterior legs are apparently very little specialize | 
urpose. : 
к The jointed rush (Leptocarpus simpler) has smooth gm o 
internodes, while the fairly frequent nodes are surmounte m $ EN 
surrounded by rougher greyish or brownish sheaths. It is to t d e 
the leaf-hoppers bear such an extraordinary resemblance. n 
always rests with its long axis parallel to that of the iem. {е bi 
necessary for “ purposes " of mimicry, but probably assumed or 
of comfort. A 
Occasional examples are parasitized by large, long-legged scat o 
with long hairs. In one case three of these mites were gni т hel 
to the base of one of the tegmina, which, apparently as a res ee 
sucking, had curled up and twisted like the half of a dried pea-pod. 
ina 
commonly only one mite is found, and that tucked beneath the tegmina, 
: “no 
the abdomen of the Cephalelus being then often slightly deformed, but 
other effects apparent. 
: alts. 
e nymphs of all ages are found on the food-plant with the ad 
They are almost uniform pale brown, with a very indistinct polig шей 
dorsal line, and a head much less produced than that of the adult. 
not yet succeeded in finding the eggs. 
Holotype and allotype in Myers collection, Biology Laboratory. 
Fic. 9.—Paradorydium philpotti n. sp.: male genitalia, ventral view. 
Fic. 10.—Cephalelus h i n. sp. : male genitalia, ventral view 
Fic. 11.—C. hudsoni n. sp. : nymph, early instar ; legs omitted. 
Fie. 12.—C. hudsoni n. sp. : nymph, late instar. 
Fro. 13.—C. leptocarpi n. sp. : male genitalia, ventral view 
Ето. 14.—C. hudsoni n. Sp.: head of female. 
Fro. 15.—0. leptocarpi n. sp. : head male 
Fic. 16.— Dikraneura maorica п Sp.: tegmen. 
Fic. 17.—D. maorica n - 
Fie. 18.— 
: 19.—D. maorica n. sp. : female genitalia. 
Бик .—Typhl. yba australis (Frogg.) : tegmen. 
G. í ): wi 
.—T. australis ( 
Ета. 21.—T. australis ( Frogg.): male genitalia. 
Fic. 22.— T. australis (Frogg.): female genitalia. 
Fic. 23.—T. australis (Frogg.): imago (after Froggatt). 
Fro. £ ryth zealandica n. sp.: tegmen. a, costal plaque. 
Fro. 25.— E. zealandica n. sp. : wing. 
Fic. 26.—Е. zealandica n. Sp.: male genitalia, lateral view. 
Fic. 27.—E. zealandica n. sp. genitalia, ventral view. 
Fic. 28.—Е. zealandica n. sp. : female subgenital p: 
Fie. 2 ў 
PORUM a. у} 
; te. ite wing) — 
.—Е. zealandica n. sp. : wing (venational aberration not present on opposite э e 
