Publ . il . 12 . 1934 . CYMATOPLEX; IDIOCHROA; CENOCHLORA; MIXOCERA. By L. B. Prout. 13B 
N. cissochroa Turn. 24 mm. Face green. Palpus in <$ 1%, with terminal joint minute. Pectinations dssochroa. 
long (outer row 7, inner row 5). Abdomen with a patch of long coarse whitish-ochreous hairs on sternite 4. 
Forewing triangular, bluish-green, the lines slender, white, the postmedian finely denticulate, continued on the 
hindwing, which is bowed at the 3rd radial; both wings with the cell-mark represented by a white ring. Towns¬ 
ville, Queensland, 1 <$, in poor condition. 
106. Genus: Cymatoplex Turn. 
Probably quite near Mixocera, but with very different $ antenna: pectinate with very long branches. 
Somewhat less specialised in that the 1st median is never (so far as has been observed) stalked on either wing, 
nor does the 1st subcostal of the forewing ever run into the costal, though often anastomosing. Exclusively 
Australian. 
C. halcyone Meyr. (= crenulata T. P. Luc., dichroa Lower, imparicornis Warr.) (14 1). Ground-colour halcyone. 
similar to that of Ch. quantula (14 1), but with costal margin rather broadly buff and with rippled white lines 
which sometimes recall a Poecilasthena. Pectinations of extremely long. Distributed from North Australia to 
Brisbane, a coastal species; southern examples are said to be rather larger than northern. 
C. hypolichna Turn. Unknown to me, the ground-colour not indicated. In any case, it should be readily hypolichna. 
distinguishable from halcyone by have only “two faint whitish wavy transverse lines” as well as by having the 
^ pectinations only two-thirds as long; costal margin of forewing coloured about as in halcyone. Port Darwin. 
C. subpellucida Auriv. “Wholly whitish, the frons between the eyes ochraceous; wings thinly scaled, subpellu- 
subdiaphanous. <§ antenna excepting approximately the apical 1 / 5 with long pectinations; the branches blackish Clda - 
at the base. Wings above faintly suffused with yellowish. Expanse 12 mm. $ antenna subserrate, at base 
thickened. Wings quite white. Expanse 18—19 mm. Agrees fully with Cymatoylex in the generic characters; 
vein 11 of forewing free.” Founded on 2 2 ^9 from Broome, N. W. Australia. 
107 . Genus: Idiochroa Turn. 
Tongue absent. Palpus minute. Antenna pectinate in both sexes. Hindtibia in both sexes with 4 spurs. 
Forewing with 1st subcostal arising from the cell, connected or anastomosing with costal. Hindwing with costal 
touching the cell at a point near the base, very gradually diverging, 2nd subcostal scarcely stalked, 1st median 
remote at origin from 3rd radial. Differs from Cenochlora in the presence of the proximal spurs of the hind- 
tibia. Erected for two Queensland species; I have not seen either. 
1. demissa Turn, and 9 21—22 mm, pectinations in both sexes very long. Face pale fuscous. Fore- demissa. 
wing with apex acute; rather dark green, with a fuscous cell-dot at about %. Hindwing rounded; in the $ dull 
reddish, with only'the hindmargin narrowly green; in the 9 wholly pale green. Underside in more or less 
suffused with dull reddish, in ^ green. 
I. celidota Turn. 22 mm, 9 29 mm. Pectinations extremely long in <$, half as long in 9- Face dark celidota. 
reddish. Forewing less acute than in demissa ; green, somewhat bluish, with a large whitish blotch at hind- 
angle, outlined with purple-fuscous, broadly divided by pale reddish and with a pale reddish streak along 
“anterior” border (I think Turner means proximally). Hindwing with termen rather irregularly rounded, 
tornus rather prominent; green, without the blotch. Underside whitish-green, the blotch indicated in pale grey. 
108. Genus: Cenochlora Wan. 
Characters of Idiochroa but without proximal spurs on the hindtibia. This genus likewise consists of 
two Queensland species. 
C. quantilla Turn. Unknown to me. Said to be smaller than quieta, the antennal pectinations not quaniilla. 
quite so long, the fringes wholly white, cell-dots wanting. Townsville, N. Queensland. 
C. quieta T. P. Luc. (= felix Warr.) (14 a). Expanse 18—22 mm. Easily known by the structural quieta. 
characters; the fringes dull reddish, only at the tips white, each wing with a minute reddish cell-dot. Brisbane, 
etc., nowhere common. 
109. Genus: Mixocera Wan. 
Palpus short. Tongue slight. Hindtibia with terminal spurs only. Forewing with 1st subcostal arising 
near end of cell or shortly stalked, hindwing with costal touching cell at a point near base, rapidly diverging; 
both wings with 1st median from close to end of cell or stalked. A small genus, chiefly African, divisible into 
sections according to the structure of the antenna (see Vol. 16, p. 45). Of the two Indo-Australian species, 
XII 18 
