Psyllidae of New Zealand ~ Tuthill 
a 
0.25 mm. 
I 1 J 
Fig. 5 . Psylla dodonaeae n. sp. a. Lateral aspect of 
female cauda; b, lateral aspect of male cauda; c, caudal 
aspect of male clasper. 
curved mesad to blunt tips, large, sharp, 
black-tipped tooth below apex. Aedeagus 
very heavily sclerotized, especially joint, struc- 
ture as figured. Female genital segment very 
peculiar, large but much shorter than rest of 
abdomen; dorsal valve very strongly arched, 
swollen, caudal margin almost perpendicular 
93 
to short, beak-like, heavily sclerotized tip, 
caudolateral margin with row of very long in- 
curved setae; ventral valve very short, broadly 
truncate, with prominent inner ’’sleeve.” 
HOLOTYPE, male, allotype, female, taken 
from Dodonaea viscosa in the Forest Research 
Station grounds at Whakarewarewa, Decem- 
ber 4. Numerous paratypes with same data 
and from same host near Nelson, September 
19 , January 16, and March 7. 
HOST PLANT: Dodofiaea piscosa Ja.cq. 
Although taken only at two localities, this 
species certainly occurs throughout the New 
Zealand range of its host. As the host plant is 
very widespread outside New Zealand, its 
possible range elsewhere is very interesting. 
The very peculiar female genital segment 
is unlike any other known to me except that 
of Tetragonocephala flava Crawford, a North 
American species. 
Psylla apicalis (Ferris and Klyver) 
1932 'Psyllia apicalis Ferris and Klyver, New 
Zeal. Inst., Trans. 63: 49, 52, pis. 12, 13. 
This handsome little species (2.0-2.25 
mm.) was taken from Cape Rainga to Mana- 
pouri on its host, the kowhai, Sophora tetra- 
ptera. I cannot understand the statement of 
Ferris and Klyver that the head form is prac- 
tically as in Psylla acaciae as it differs markedly, 
especially in the genal processes which are 
larger, contiguous basally for some distance, 
and are scarcely deflexed from the plane of 
the vertex. Also there are four large, evenly 
spaced black spines at the apex of the meta- 
tibiae in apicalis rather than the arrangement 
of 3 and 1 as in acaciae. Otherwise their de- 
scription is quite adequate. 
This species resembles Euphalerus nidifex 
Schwartz in appearance and, to some degree, 
in structure. It should, perhaps, be referred to 
that genus but is being left in Psylla for the 
time being in the hope that further collecting 
in Central and South America will give a more 
adequate concept of Euphalerus and thus 
allow a proper disposition of this and related 
New Zealand forms. The species which have 
