No. 39] ODONATA OF CONNECTICUT: COENAGRIONIDAE 105 



Thorax : metallic green, black or yellow ; pronotum green, pro- 

 epimera and episterna black, or pollinose in older specimens; 

 dorsal carina of mesothorax black, anepisterna green, the katepi- 

 sternum and mesopleural suture largely black ; mesepimerum green 

 except the cephalo-ventral shoulders ; metapleural suture usually 

 black, the stripe indefinite, increasing with age and covering a 

 large portion of the metepimera (probably absent in tenerals) ; 

 postcoxal areas bufif ; legs black and buff, striped, tarsi and claws 

 black; wings clear; postnodal cross-veins 10-12, the stigma of 

 the front wings surmounting 2 cells or less ; M^ arising between 

 the second and fourth postnodal cross-vein in the front wing. 



Abdomen : metallic green ; dorsum of the first tergum green, 

 sometimes pollinose; tergum 2 green, the latero-ventral margins 

 pale or pollinose; 3-7 with dorsa green, and lateral margins and 

 interrupted basal rings, yellow ; terga 8, 9, and 10 black or bronze 

 above, black and pollinose on the sides ; superior anal appendages 

 black at tips or entirely black, the lateral surfaces tuberculate, the 

 mesal margins with a large basal tooth, and smaller ones beyond 

 to the distal third ; inferiors broad, black, expanded at apices, 

 flattened and nearly in a horizontal plane. 



Female. — Color metallic green and yellow. 



Thorax : usually lacking the metapleural black stripe. 



Abdomen : proximal half of the first tergum with dorsum pale ; 

 terga 8-10 with lateral margins pale; ovipositor with lateral plates 

 black on the ventral half, the apex extending well behind the tenth 

 segment. 



Measurements : total length, male 34-36, female 39 mm. ; length 

 of abdomen, male 26-28, female 29 mm. ; length of hind wings, 

 male 21, female 23 mm.; width of hind wings, male 4.5, female 

 4.5 mm. 



Connecticut. — Stratford, 9 July, 1920; Hamden, 4 July, 1921 (P. O.- 

 Windsor, 20 June, 1926 (J. L. R.). 

 New England. — May 30-September. 



Lestes unguiculatus Hagen 



Synopsis of the Neuroptera of North America, 70: 1861. 



Nymph. — Color light brown or green. 



Head: second antennal segment longer than the first; labium 

 extending between meso- and metacoxae; mental setae usually 

 seven, laterals three; lateral marginal setae of the median lobe 

 extending from the articulation of the palpus to the base of the 

 expanded portion. 



Thorax : legs slender, the femora with rows of short setae and 

 faint preapical rings of brown ; tibiae brown at the apices ; apical 

 half of the third tarsal segment and the claws, brown; meta- 

 thoracic wing-cases extending to the apex of 3 or middle of fourth 

 abdominal segment. 



