38 E. T. CRESSON. 



bred specimens. The antennae and anterior wing are figured, and 

 the larva and pupa described, as well as all stages of the parasite, 

 Enrytoma stndiosa Say. 



Dictynna cordoviensis Norton, Trans. Am. Ent. Soc. iv, 81. — "%. — 



Length 0.18; br. wings 0.42 inch. — Antennae rather longer than head and thorax, 

 ten-articulate, slightly clubbed, as in Athalia, joints enlarging to apex, quite 

 bent, as in Sciapteryx, final joint obtuse. Eyes quite protuberant, approaching 

 below. Head narrow, concave behind, no distinct marginal edge on border of 

 occiput, which round towards neck from eyes; a deep channel on each side of 

 ocelli and a basin below the lower ocellus; clypeus depressed, narrow, very 

 shallow, margin straight; labrum rather pointed; mandibles with no inner 

 teeth. Abdomen as in Hylotoma, short, flattened, obtusely rounded at apex. 

 Spurs of tibise short; claws simple. Wings broad; one marginal, appendieulate 

 cell; first submarginal long, ovate, its nervure dividing from second broken, 

 third longer and wider than second; first recurrent nervure received near base 

 of second cell; lanceolate cell petiolate, very small, placed opposite the inner 

 apical nervure; under wing with a large appendieulate cell, one inner cell be- 

 neath the marginal, no lanceolate cell, outer cells all open. Head and antennae 

 black ; metathorax, pectus and abdomen above, mostly blackish ; labrum, meso- 

 thorax, scutellum and pleura, yellow-brown ; middle of each segment of tergum 

 and most of venter, indistinctly brown ; .coxse, femora, anterior tibiae and tarsi, 

 yellow-brown; remainder of legs blackish; wings smoky, subhyaline, a minute 

 black dot in middle of branchial and second submarginal cells." 

 Hah. — Cordova, Mexico. 



Dictynna polila Norton, Trans. Am. Ent. Soc. iv, 81. — '"J,.— Length 

 0.18; br. wings 0.42 inch. — More slender than D. cordoviensis ; form of head 

 and sculpture the same; (antennae wanting); head and body shining black; 

 legs yellow-brown, tips of femora and tarsi blackish; wings subviolaceous, 

 neuration as above." 



Hah. — Cordova, Mexico. 



Emphytus pallipes Provancher, Nat. Can. x, 66.— " 9 .—Length .22 

 inch. — lilack; head transverse, angular, as broad as the thorax, punctured, 

 with a furrow on each side behind the ocelli ; antennae moderate; palpi, tegulse, 

 legs with the trochanters and tips of the coxae, dull yellowish-white; posterior 

 femora except base, tips of their tibiae with their tarsi, black or deep brown; 

 abdomen entirely black, short and stout; wings hyaline, nervures brown, the 

 costa and stigma deep brown." 



Hah. — Canada. (Coll. Provancher.) 



EmphytiiK llollii Norton, Trans. Am. Ent. Soc. iv, 80.— "9.— Length 

 0.56 inch. — Allied to tarsatus. Color shining black; antennae black, with the 

 three apioal joints and a dot on the tip of fourth above white; an obscure line 

 beneath; tip of apical joint black ; tegulse white ; scutel black; legs white, with 

 their coxae, the four anterior femora, apical two-thirds of the hinder femora, a 

 spot at tip of two anterior tibiae and the tips of the four hinder tibiae black; claws 

 and tips of claw-joints black; wings smoky-hyaline; a white spot at base of 

 stigma. Antennae more slender than in tarsatus and the head not so wide." 



Hah. — Texas. 



