206 Transactions. 
{EY TO THE SPECIES OF THE GENUS ZELANDOBIUS. 
mi Forewings unicolorous, pale-brownish TE d. 
1 Forewings fuscous, with darker markings .. 
Markings of forewing tending to b confluent in transverse 
bands and broadly enveloping the distal cross-veins .. Z. confusus (Hare). 
2 4 Markings of forewing remaining as distinct fuscous shadings o 
the distal cross-veins, merely outlining but not broadly 
enveloping them 
Cerci as long as abdome 
Z. unicolor n. sp. 
2 
; 3 
34 before level of end of К; . 
| Cerci excessively short; terminal f 
E beyond level of end of В, 
n; terminal fork of forewing arising i 
: s y .. Ж. hudson? (Hare). 
ork of forewing arising at or 
Z. furcillatus n. sp. 
Zelandobius confusus (Hare). (Fig. 5.) 
Leptoperla confusa Hare, Trans. N.Z. Inst., vol. 42, p. 29, 1910. 
ig. 5 shows the venation and pattern of the forewing of a female, the 
length of the wing being 9-5 mm. This figure well exemplifies the character 
mainly relied upon by Hare to discriminate this species—viz., the arrange- 
ment of the distal cross-veins (‘‘ posterior veinlets " of Hare) “in distinct 
3A 
Fic. 5.—Wings of Zelandobius hudsoni (Hare). (For lettering see 
Fra. 6.—Forewings of Zelandobius confusus (Нате). 
fig. 1.) 
(For lettering see fig. 1.) 
series, the grey markings about the veinlets of each series being confluent, 
and not in the form of distinct spots." It should be added, however, that 
the number and position of the cross-veins is not constant, so that there 
is some variability in the form of the pattern, though the confluence of 
