506 



banks and hide among dead submerged weeds or rubbish. The eggs 

 are deposited below the water on driftwood, and large numbers of 

 females may sometimes be seen congregated about an old log at the 

 water's edge depositing eggs. 



Argia fumipennis (Burmeister) 



Nymph. — Unknown. 



Adult; Male. — Color, dull brown and black. 



Head : dark brown and black ; median lobe of the labium bufif, 

 subtriangular; antennae brown, the first segment nearly globular, the 

 second segment about twice as long as the first ; clypeus, labrum, ex- 

 posed portions of the mandibles and their trochantins, genae, and the 

 front dorsad of the clypeus to the median ocellus, dark brown or bufif; 

 vertex with a transverse black stripe which includes the ocellar area; 

 there is, however, a large brown spot ventrad of each lateral ocellus and 

 a narrow median stripe between them; postocular spots large, con- 

 tiguous with the margins of the compound eyes and connected by 

 means of a broad stripe caudad of the ocelli ; occiput and postgenae 

 bufif; compound eyes brown. 



Thorax dark brown, black, and bufif ; pronotum dark, the cephalic 

 lobe bufif, the median lobes with large, pale, lateral spots ; caudal lobe 

 dark, with a paler spot on each lateral angle; proepimeron and pro- 

 epistermun of the propleura not distinct, brown in color, the dorsal 

 border darker; dorsal carina of the mesothorax covered by a broad 

 black stripe which also covers about half of each mesosupraepisternum ; 

 mesepimera with a broad dark stripe ventrad of the mesopleural suture, 

 the stripe extending cephalad across the infraepisterna and forking 

 about half-way from the infraepisternum to the wing bases; margins 

 of the paraptera dark brown, the remainder bufif; metapleural suture 

 with a dark line; remainder of the meso- and metapleura and the 

 postcoxal areas buff; femora each with a broad dark brown or blackish 

 Hne, the remainder buff ; tibiae pale bufif above, darker below, the dark 

 brown color including the cephalo-ventral row of setae; wings dis- 

 tinctly tinged with brown ; postnodal cross-veins sixteen in the front 

 wing and fifteen in the hind; M2 arising between the seventh and 

 eighth postnodal cross-veins in the front wing and between the sixth 

 and seventh in the hind wing ; stigma surmounting a single cell or less. 



Abdomen dark brown; dorsum of terga 1-7 dark brown, the 

 lateral margins paler in color; narrow basal rings on the cephalic 

 margins of terga 3-6; terga 8-10 bluish green ; sternum one bufif, 3-10 

 brown; anal appendages (Figs. 143, 144) with the superiors shortest, 

 inferiors longer, thickset. 



