316 Transactions. 
found under a log. I have found nymphs of the same species, in company 
with those of Koroana arthuria n. sp., very numerous under stones, in 
some cases with small ants (Monomorium sp.) in the boulder-strewn river- 
bed at Arthur’s Pass (2,300 ft. elevation). There is a fruitful subject of 
study here not only in regard to the nymphs themselves, but in their 
relationships with the ants. Swezey* has written an account of the life- 
history of the Hawaiian Oliarus koanoa Kirkaldy. This species spends 
the nymphal instars “among the decaying leaf-bases and fibrous matter 
of tree-fern t in eavities or tunnels lined with a white fibrous 
material which resembled mould, or spider's web, and which is an excretion 
from the terminal abdominal segments of the nymphs. The nymphs 
probably feed upon the fern-roots in the fibrous mass of the outside of the 
fern в, or on juices of the decaying material" In North America, 
according to Osborn, Myndus radicis lives in similar crevices lined by the 
fibrous material of the abdominal tufts. Swezey also quotes Townsend 
to the effect that Oecleus decens lays its eggs in punctures in the leaves of 
_ The first Cixiids from New Zealand were described by Francis Walker 
ш 1850 and 1858. He placed in the genus Cizius the seven species known 
to him, of which two were removed by Buchanan White in 1879 to 
‚ and a third was made the type of a new genus, Aka. Of 
the remaining four of Walker's species Buchanan White knew nothing, 
but зов W 
on another new Cixiid from New Zealand he erected the genus 
pes >= 
* j T rur 2 
Proc ie Н. Swezey, Observations on the Life-history of Oliarus koanoa Kirkaldy, 
awaiian Ent. Soc., 1, pt. 3, pp. 83-84, 1 
