524 



Length of abdomen, 5 28 mm. 



Length of abdomen, 9 25 mm. 



Length of hind wings, S 19 mm. 



Length of hind wings, $ 19 mm. 



Width of hind wings, S 4 mm. 



Width of hind wings, $ 4 mm. 



A relatively rare species which has not been collected outside of 

 Champaign County. The nymphs are to be found in the same locality 

 where cxsnlans is abundant and the two are frequently taken together. 



EnaIvI^agma aspe;iisum (Hagen) 



Nymph. — Unknown. 



Adult; Male. — Color, blue and black. 



Head blue and black ; mouth-parts buff, the median lobe subtrian- 

 gular and with a shallow acute cleft; palpi narrow, the distal segment 

 pale ; antennae black ; postclypeus black, anteclypeus and the labrum 

 brown or buff and a blue transverse stripe above the clypeus to the level 

 of the antennal fossae; remainder of the front and vertex black; post- 

 ocular spots blue, the blue connected with the blue of the occiput and 

 postgenae. 



Thorax blue and black ; pronotum black except the narrow cephalic 

 lobe, which is blue ; proepimera black above, blue or pale below ; meso- 

 stigmal plate narrow and about half lilue; mesothorax with a broad 

 dorsal stripe, covering the carina and also half of the mesosupraepi- 

 sterna on either side ; this is followed by a blue stripe which occupies 

 most of the remaining portion of the mesosupraepisternum ; meso- 

 pleural suture covered with a black stripe which is considerably 

 widened near the caudal margin of the mesinfraepisternum and extends 

 cephalad over that sclerite, covering the dorsal half or third ; remainder 

 of the thorax blue or buff; paraptera entirely black; legs black and 

 buff, the coxae and the trochanters pale, the femora with a stripe on 

 the cephalic surfaces including one row of setae ; tarsi and claws black, 

 shining ; wings with nine postnodal cross-veins in the front wing and 

 eight in the hind wing; M., arising between the fourth and fifth post- 

 nodal cross-veins in the front wing and between three and four in the 

 land wing. 



Abdomen blue and black ; terga mostly blue, but a very narrow 

 basal spot on the first tergum, a dorsal apical spot and ring on the 

 second, the apical three-fourths of the dorsum of the third, dorsum 

 of the fourth, all of five and six except narrow basal rings, the proximal 

 half of seven, and all of the dorsum of ten, are black; lateral margins 



