103 
1941] New Myrmeleonidae 
large pale spot at base, tapering toward tip ; beyond mostly 
brown. 
Legs pale, tips of femora dark, front and mid tibiae largely 
dark, hind tibia dark at tip only, tarsi mostly dark at base 
and tip. Fore wings with the subcosta much interrupted 
with brown, radius with longer brown streaks, cubitus with 
more separated streaks ; cross-veins often dark at ends ; an 
oblique brown line up from near end of anal vein, and 
another obliquely outward from the rhegma; last radial 
cross-vein plainly bordered with brown, and some others 
faintly marked behind it, in hind wing last radial cross-vein 
bordered with dark. 
Pronotum nearly as broad behind as long in middle, sides 
parallel, only short black hair above. Legs not as stout as 
in P. inscriptus, the femora not swollen; front and mid 
tibiae with both black and white spines, hind tibiae with 
black spines; spurs of front legs equal to three joints, of 
hind legs equal to two tarsal joints. In the fore wings the 
costal area is swollen, and the double series of cells reaches 
to the origin of radial sector ; seven cross-veins before radial 
sector, ten radials before stigma, ten or eleven branches to 
radial sector, four cross-veins between cubital fork and first 
anal vein, no cubito-anal cells crossed; venation not espe- 
cially dense. 
In hind wing the tip is acute, the hind margin toward base 
almost concave, twelve radials before stigma, anal vein ends 
some distance before cubital fork, and with but four branches 
to margin. 
Length of fore wing 23 mm., width 5 mm., length of hind 
wing 23.5 mm., width 4 mm. 
From Port au Prince, Haiti, 20 November, R. C. Smith 
collector. Type M.C.Z. no. 25520. 
Clathroneeria arioles sp. nov. 
Face with a large black interantennal mark, reaching 
well below the antennae and up nearly to the first vertex row, 
between this and the vertex mark is a pale transverse line 
from eye to eye; vertex largely black with two small pale 
spots near middle of front and two on each side toward eyes ; 
antennae dull black, tip rather paler; palpi black, last joint 
moderately swollen; pronotum with a very broad black 
median stripe, in the front part of which is a median pale 
