2 7'2 CONNECTICUT GEOL. AND NAT. HIST. SURVEY [Bull. 



two yellow spots on the katepisterna, the anepisterna also with two 

 small spots ; mesepimera with a pale stripe from shoulders to wing 

 bases a little wider cephalad ; behind this stripe the thorax usually 

 shows 6-7 yellow spots, those on the metepimera sometimes fused, 

 forming a stripe ; venter of thorax with 3 spots behind the meta- 

 coxae. 



Abdomen : black, tergum 2 with four yellow spots, one on each 

 lateral margin, and two on dorsum, 3 with six spots, three on each 

 side, 4-9 inclusive, each with two yellow triangles, those on 9 small ; 

 anal appendages black; hamules (Fig. 67, No. i) divided about 

 half way to base, the mesal arm sharply pointed. 



Female. — Face yellow, with a heavy, transverse black stripe on 

 dorsum of front ; abdomen with a black stripe along each side on 

 terga 3-8 about i mm. wide ; remainder of these terga pale ; nearly 

 all of 9 and 10 dark. Vulvar lamina as in Fig. 67, No. 7. 



Measurements : total length, male 27-33, female 29 mm. ; length 

 of abdomen, male 18-24, female 19-24 mm. ; length of hind wings, 

 male 20-27, female 22-27 "^"^- ! width of hind wings, male 7.5-8, 

 female 8.5 mm. 



Eight specimens examined from Scotland and one from New 

 England in collection of P. P. Calvert ; there are also several in 

 the Yale University collection labelled Eastport, Maine, collected 

 by S. I. Smith. 



A variable species, especially in the color of the thorax and 

 abdomen. The thorax is said to be almost black in some specimens. 



Sympetrum rubicundulum (Say) 



Journal of the Academy of Natural Sciences of Philadelphia, 8: 26: 1839. 

 . Nymph. — Color brown, or greenish in life. 



Head : much broader than wide, the caudo-lateral margins with 

 a few scattered, rather heavy setae; labrum pilose, labium tri- 

 angular, with 9-10 lateral setae and a movable hook, closely 

 resembling the lateral setae ; the mesal and caudal margins of the 

 palpi with short unequal spines but no teeth ; distal margin of 

 the mentum with about 7 short setae, there being 13-14 mentals on 

 each side; distal margin with a projecting lobe at base of each 

 palpus. 



Thorax : pronotum flat, the lateral margins projecting but 

 slightly and with a few setae; a bunch of setae just above the 

 procoxae on the propleura; all femora with an irregular dorsal 

 row of setae and a few scattered ventral ones of about the same 

 length ; tibiae with more or less scattered dorsal and ventral setae, 

 the tarsi with the usual double row beneath ; claws without teeth ; 

 wing-cases extending to middle of seventh or eighth abdominal 

 segment in full-grown nymphs. 



Abdomen: with flat venter; lateral keels of segments 1-6 with 



