308 Transactions. 
The differences between the venations of males of Pycnocentria and 
the new genus can be seen at once by comparing text-figs. 21 and 22. 
The females resemble one another very closely both in venation and in 
other characters. 
саба а Р 
^ Cu, Cura 
| 1EXT-FIG. 22.—Pycnocentria evecta McL., 4. Wing-venation, for comparison 
with text-ig. 21. Note the longitudin: dé ' ^ For 
bu ia E e longitudinal groove in the forewing. ( 
Four new species belonging to this genus may be distinguished by 
the following key :— 
1. D species, the males expanding about 12 mm. to 14 mm. .. 2 
rger me the males Eum about 19 mm. to 22 mm., 
ving a genera i ] 
реа MA. g © "ne resemblance to Olinga 
. Forewing a medium brownish-testaceous, with an area of ale 
golden-yellow hairs forming a faint fascia below ose ад 
ï anc en asfarasCu,, .. б» 
orewing nearly black in life, dark fuscous in the dried insect, 
with bright golden patches near base and also in the wedge- 
3. Hairs of forewi i and lA .. - .. P. pulli m 
т К вены. uniformly fulvous ; penis of male deeply bifid Р. olingoides n. P. 
d orewing almost entirely fuscous; penis of male not 
P. chiltoni n. 8р. 
P. hamiltoni n. SP- 
eu t 
EIE 
