NORTH AMKiaCAN NEUKOPTKRA. 



337 



Key to the Genera. 



CONIOPTERYGID^. 



1. — Wings ciliated, eyes reniforni Aleiiroiiia. 



Wings not ciliated, eyes globose Coiliopf eryx. 



MANTISPID^. 



1. — Female with a long ovijiositor Symplisisis. 



Female vvitlioiit ovipositor iVIaiili$«|)a. 



CHRYSOPIDJE. 



1. — A horn between antennre Meleoiiia. 



No horn o. 



2. — Third cubital cell equally divided Wotlio<*liry<i»a. 



Third cubital cell unequally divided dii*yis4»|>:i. 



HEMEROBID^. 



1. — Ocelli present Dilar. 



Ocelli absent 2 



2. — A recurrent vein ^ 



No recurrent vein ^ 



3. — Last. joint of maxillary palpi truncate, large species I'ol.ywf (Pcliof <'$«. 



Last joint of maxillary palpi subulate, small si)ecies Hein('i><»l>iiis«. 



4. — Subcosta joined to the radius at tip 5 



Subcosta free from radius at tip fj 



5.— Subcostal space free Si!«yra. 



Subcostal space with one basal veinlet C'liiiiacia. 



6.— But one sector, often but two wings l*K<M'ti'a. 



Several sectors, four wings - 



7. — Wings acute at apex, outer margin excised ISerollia. 



Wings entire, rounded iUivr4»iiiiis 



MYRMELEONID^. 

 This comprises two well-marked sul)-families. 



Antennae long, nearly as long as wings Ascalapbinge. 



Antennpe short, not one-third as long as wings MyrmeleoniriEe. 



Myrmeleoninse. 



1. — Claws dilated at base, very stout A<*aiillia<'liMiN. 



Claws not dilated, slender o 



2. — Wings wilh a black band at tip or ocellale spots I>Oli<ll*4>l(>(>ii. 



Unlike above ;> 



3— Nospurson tihite ^^lararaiKla. 



Spui's present ^ 



4. — A double series of' costal areolcs. at least before pteiostignia. spurs no Idiiger 

 than the two basal joints of tarsus Bi*a<'liy iidiiiiniM 



A single series of costal areoles .^| > riii<>|('oii 



TRANS. AM. ENT. SOC. XIX. (43) UECEMBKU, lSy2. 



