1945 J Chrysopidae of Central America 157 
the others; branches of radial sector not at all bent at inner 
gradates; third cubital cell about as long as second, the divisory 
cell a little more than one half its length; the subcostal area of 
stigma plainly broader than the costal part and with three 
cross-veins. In hind wings three inner and five outer gradates, 
not parallel. 
Pronotum broader than long, sides parallel, but narrowed 
near front. 
Fore wings 10.5 mm. long; 3.5 mm. wide. 
From Hamburg Farm, Costa Rica, April (C. W. Dodge). 
Type M.C.Z. no. 25647. 
Of the size and general appearance of Ch. gradata and Ch. 
longicella\ gradata has black antennae, dark mark on cheeks, 
and gradates parallel. Ch. longicella has the palpi partly black, 
the gradates not bordered, and the rows nearer each other, and 
parallel. Ch. infausta is very similar to bimaculata 1 but differs 
in pale palpi and the bordered gradates. 
Key to Species of Nodita 
1. Antennae beyond second joint wholly black, pronotum 
showing transverse groove 2 
Antennae if dark only on basal third or less, or only beneath 3 
2 . Outer part of hind marginal vein of hind wings plainly 
brown; palpi pale; basal joint of antenna with reddish stripe 
panamana 
Outer part of hind marginal vein of hind wing not brown, 
palpi marked with dark; basal joint of antennae not plainly 
striped ramosa 
3. Very large species, fore wings about 20 mm. long or 
longer; hind margin of hind wings often with a distinct brown 
shade or at least the marginal vein brown 4 
Smaller; hind margin of hind wings not brown .... 8 
4. Pronotum with a row of reddish spots or a stripe much 
before side margin, pronotum longer than broad .... 5 
If red on pronotum it is close to side margin, and pronotum 
about as broad as long 6 
5. Pronotum with a row of red spots each side . luctuosa 
Pronotum with a stripe each side egregia 
