A REVISION OF THE AUSTRALIAN COSSIDAE ( LEPIDOPTERA ) . 57 
one-third costa, dark area broadly expanded in disc, continued by a 
narrow prolongation to termen beneath apex ; cilia whitish-grey. Hind- 
wings with termen straight ; fuscous : towards tornus pale grey, on costa 
narrowly white ; cilia white. 
9 , 142-170 mm. Head and thorax dark grey or fuscous. Antennae 
grey. Abdomen grey becoming whitish-grey towards apex; without 
basal white tufts. Forewings proportionately broader, costa more evenly 
arched; markings similar but less distinct. Hindwings darker grey 
suffused with fuscous towards base. 
Queensland: Duaringa in November and December; Injune in 
October and November: Talwood in January (W. B. Barnard), a series 
bred. Type in Queensland Museum. 
37. Xyleutes donovani Roths. 
Novit. Zool. 1897, p.307, P1.8, f.2. cretosa Luc. Proc. Roy. Soc. Q. 1898, 
p.62. 
$ , 72-100 mm. 9 , 94-135 mm. Head whitish. Palpi 1 ; fuscous- 
brown. Antennae whitish ; pectinations in male 5, dark fuscous. Thorax 
brown edged by an inverted blackish U-mark; patagia grey; tegulae 
white. Abdomen fuscous; bases of segments whitish; apices brown. 
Legs whitish sprinkled with fuscous; tarsi dark fuscous with white 
rings. Forewings elongate, costa straight to two-thirds, thence slightly 
arched, apex pointed, termen strongly oblique ; white with some grey 
suffusion and numerous dark fuscous strigulae ; these coalesce into small 
dark areas on costa at one-third and two-thirds; similarly formed is a 
broad dark streak intersected by veins from beneath apex to dorsum 
before middle; cilia whitish with broad dark fuscous bars. Hindwings 
with termen sinuate ; fuscous ; a whitish terminal band containing fuscous 
strigulae ; cilia as forewings. 
North Queensland : Cairns. Queensland : Brisbane ; Tweed Hds. ; 
Toowoomba. Victoria: Moe. 
38. Xyleutes diaplecta n.sp. 
3 ta77 Ae/c to? , interwoven. 
$ , 60-64 mm. 9 , 70-80 mm. Head and thorax whitish sprinkled 
with fuscous, appearing grey. Palpi one-half ; grey. Antennae grey ; 
pectinations in male 4, dark fuscous, apical two-fifths simple. Abdomen 
fuscous. Forewings narrow, costa gently arched, apex rounded, termen 
obliquely rounded ; pale grey with blackish transverse lines and strigulae ; 
a broad blackish stripe from base of costa almost to termen beneath 
apex; along costal edge of this a broad white suffusion containing few 
strigulae ; along its dorsal edge a broad dark grey suffusion ; cilia white 
with fuscous bars. Hindwings with termen slightly rounded; fuscous; 
cilia as for forewings. 
Queensland : Five specimens all of ancient date, one labelled 
August, the others undated. Type in Queensland Museum. 
39. Xyleutes euryphaea n.sp. 
evpvcjxuos, broadly dark. 
S 9 , 58-68 mm. Head dark fuscous. Palpi 1 ; dark fuscous. Antennae 
whitish; bipectinate in both sexes, pectinations in male 4, in female 2, 
apical third simple. Thorax in male fuscous with an inverted blackish 
