No. 39] ODONATA OF CONNECTICUT: AESHNIDAE 179 



tudinal ridges on either side, and a dorsal carina on 2-7 ; a trans- 

 verse ridge on 2 which connects with the dorsal carina ; anal 

 appendages consisting of a short, broad, pale inferior with short 

 tubercles on the apical margin and dorsal surface; superiors (Fig. 

 24, No. 5) about as long as segment 9 plus 10; they are nearly 

 triangular in cross section, have a short tooth at the apex and a 

 dense brush of hairs on the mesal surface near apex ; accessory 

 genitalia almost hidden by the projecting terga. 



Female. — Head with two blunt teeth on the caudal margin of 

 vertex, between the compound eyes; anal appendages lanceolate, 

 measuring 5 mm. in length by i mm. in width. 



Measurements : total length, male 70-75, female 74 mm. ; length 

 of abdomen, male 49-50, female 52 mm. ; length of hind wings, 

 male 47-49, female 47-53 mm. ; length of stigma, male and female, 

 6-7 mm. 



A fairly common species in Connecticut. 



Connecticut. — New Haven, 19 July, 1900 (W. E. B.) ; Whitneyville, 18 

 July, 1904 (P. L. B.) ; Milford, 17 August, 1905 (H. L. V.) ; East Haven, 

 21 July, 1920, 30 July, 1921 (P. G.) ; New London, 6-22 June, 1921 

 (R. H. H.); Hamden, i May, 1927 (P. G.). 



New England. — May i-October 13. 



Anax longipes Hagen 



Synopsis of the Neuroptera of North America, 118: 1861. 



This is a much larger species than Anax Junius, and has very 

 long femora, the hind femora being 16 mm. long in some ; dorsum 

 of the front without the dark marking of Junius; superior anal 

 appendages of the male as in Fig. 24, No. 4. 



Measurements : total length, male 75-77, female 87 mm. ; length 

 of abdomen, male 49-55, female 55 mm. ; length of hind wings, 

 male 50, female 52 mm. ; width of hind wings, male 13.5, female 

 14.5 mm.; length of hind femora, male 15-16, female 14 mm. 



New England. — August 25- August 27. 



Genus Aeshna Fabricius 



Njonphs. — Hind margins of the head obtusely rounded ; labial 

 palpi (proximal segment) rounded or truncate at apex, there being 

 a distinct internal tooth at apex ; abdomen with lateral spines on 

 segments 6-9, but without dorsal hooks. 



Adults. — Wings with upper section of arculus shorter than 

 lower; Mj not making a sharp bend towards M^ at end of stigma; 

 Rs forked; several rows of cells between R3 and R supplement; 

 triangle and supertriangle with cross-veins ; basilar space without 

 cross-veins ; cubito-anal cross-veins 5-7 ; anal angle of hind wings 

 dissimilar in the two sexes, the male with an anal triangle of 2 

 cells; thorax not uniform green; abdomen with only one lateral 

 ridge per segment ; inferior anal appendages of male entire. 



