Genera and Species of Exotic Trichoptera. 273 
most conspicuous on the costa; .costal margin with longitu- 
dinal streaks of dark fuscous; neuration slightly darker. Pos- 
terior wings hyaline, with a greyish tinge, iridescent. Legs 
greyish-ochreous. Abdomen fuscous above, ochreous beneath. 
In the male the superior appendices are small, flattened, pyri- 
form, testaceous, and fringed with long hairs; inferior appendices 
longer, subcylindrical, testaceous, the apex truncated, with the 
corners rather produced and blackish. 
The single example “is not in good condition, the wings being 
much rubbed. In the neuration it agrees entirely with the group 
of P. flavomaculatus, Pictet (vide “ The Entomologists’ Monthly 
Magazine,” vol. i... page 27; ‘Trichoptera Britannica,” ante, 
p. 144), except that the two first costule do not anastomose in 
the middle. 
Genus PsitocyorEMA, nov. gen. 
Antenne graciles, alis vix longiores. Caput transversum, 
inter antennas productum. Ocelli valde conspicui. Palpi 
maxillares graciles; articulis duobus basalibus brevibus, 
latis ; 3° elongato; 4° vix 3° breviori; 5° quam 3° longiori, 
Mesothorax ovatus, in @ penicillo medio instructus. Ale 
anticee in quiete fere plane, anguste, breviter et dense pi- 
losze ; marginibus costali et dorsali fere parallelis; apice vix 
dilatato, obtuso; basin versus spatiis nudis; cellula discoi- 
dali occlusa, (et in P. mimico cellula parva abnormali infra 
instructa) ; cellulis apicalibus longis, fere pariter angustis ; 
furcis apicalibus 14, 2%, 38, 49 et 54 instructee; ale pos- 
tice breviores, latiores; cellula discoidali aperta; furcis 
apicalibus 14, 24, 34 et 5® instructee. Pedes modici. Cal- 
caria 2-4-4,. Abdomen modice robustum. (Mas et Foem.) 
Antenne very slender, slightly longer than the wings; basal 
joint thick, shorter than the head. Head broadly transverse, 
produced in front between the antenne, rugose, the hinder por- 
tion forming a kind of raised collar. Ocelli very distinct, round. 
Maxillary palpi slender, slightly hairy ; the two basal joints short 
and broad ; the third longer and slender; the fourth shorter than 
the third; the fifth thong-shaped, longer than the third. Labial 
palpi with a slender terminal joint. Mesothorax ovate, with a 
a raised tuft of hairs in the middle, in the male. Anterior wings 
lying nearly flat when in repose, narrow, the margins nearly 
parallel ; the apex somewhat dilated, obtuse and elliptical ; hairy 
