310 DRAGONFLIES OF NORTH AMERICA 
302. Teleallagma daeckii Calvert 
Calv. ’03, p. 306: Mtk. Cat. p.64: Wmsn. 715, p. 616: Garm. ’27, p. 50. 
Length 43 mm. Expanse 46 mm. Atl. Coast, N. J. to Fla. 
This is a long, thin, pale bluish species with obscure black markings and an 
extremely long abdomen. Face blue with a few black dots. Top of head blackish 
with a pair of 1 large, triangular, pale blue postocular spots. Front of thorax 
with carina black and narrowly bordered with black, and with a widely inter- 
rupted stripe on the humeral suture. Sides pale with a short black narrow line 
at the upper end of middle suture. Legs pale with a black stripe on all femora 
above and one on outside and front of tibiae. There is a blackish middorsal 
stripe on abdominal segments 1-6, widening before the apex on each segment, 
covering three-fourths of 7; apex of 7 and 8 to 10 pale blue. Appendages black- 
tipped. 
3 
interrogatum angulatum 
These are blue-and-back-ringed damselflies of moderate size, in 
which the wings are stalked almost to the anal crossing, and the rather 
short stigma surmounts less than a single cell. 
The nymphs of none of our American species have as yet been made 
known. 

daeckil 

71. CoENAGRION 
KEY TO THE SPECIES 
Adults 
1 Pale stripes of front of thorax interrupted by a cross line of black 
ihe Se eR EP nt X Alias 2 ORM ae? SR Oe interrogatum, p. 310 
2 Dorsal black spot of second abdominal segment isolated....... 
ear PEPE OPER A 4 sere Peng nee Me Dake angulatum, p. 311 
Dorsal black spot of second abdominal segment connected with 
the black at apex of segment............. resolutum, p. 311 
303. Coenagrion interrogatum Selys 
Selys ’76, p. 254: Walk. ’15, p. 174. 
Length 30 mm. Expanse 38 mm. Sask. 
This is a pretty blue and black species of average stature. Face greenish, 
postclypeus and heavy line at base of labrum black. Top of head black with 
bluish pyriform postocular spots. A narrow blue occipital line between them. 
