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 alx)ut 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 buff, 

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

 second segment al)()ut 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 buff; 

 vertex with a transverse l)lack sjtripe 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 comiX)und eyes and connected by 

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

 buff; compound eyes brown. 



Thorax dark brown, liiack. and huff: pronotum dark, the cei:)halic 

 lobe buff, the median lolies willi large, pale, lateral spots; caudal lobe 

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

 epistenunn 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 mesosujiraepisternum ; 

 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 l)rriwn, tlie remainder buff'; metapleural suture 

 with a tlark line; remiiindcr of the mes(>- and metai)leura and the 

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

 line, the remainder buff: tibiae pale buff above, darker below, the dark 

 brown color including the cephaln-vcntral row of setae; wings dis- 

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

 wing and fifteen in the hind; AT. 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 I)rown; 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 buff, 3-10 

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

 inferiors longer, thickset. 



