No. 39] ODONATA OF CONNECTICUT: GOMPHIDAE 159 



Thorax: meso- and metathorax pale (Fig. 22, No. 13), the 

 mesepisterna with two narrow brown stripes on each, and a dark 

 spot on mesopleural suture, caudad of the katepisterna ; femora 

 pale beneath, tibiae pale above. 



Abdomen: brown with a yellow dorsal band on terga 1-7; anal 

 appendaj^es viewed from above with lateral and mesal margins of 

 superiors entire ; the tips sharply pointed ; viewed from the side, 

 the superiors show a knob-like ventral tooth, beyond the middle ; 

 accessory appendages as in Fig. 21, No. 13. 



Female. — Vulvar lamina (Fig. 20, No. 12) a little less than 

 one-fourth the length of segment g, the plates in contact at apex, 

 the median notch closed ; occiput of the female variable, the ridge 

 nearly straight in some, depressed at center in others. Some 

 specimens apparently have no dark stripes. 



Measurements : total length, male 55, female 60 mm. ; length 

 of abdomen, male 39, female 37 mm. ; length of hind wings, male 

 32, female 33 mm. 



The occurrence of this species in New England is doubtful, it 

 being a southern form, found in Florida, Louisiana, etc. There 

 is one record, however, from Massachusetts. 



Gomphus villosipes Selys 



Bulletin de I'Academie royale . . . de Belgique, 21 : 53 : 1854. 



Nymph, — Labium with 6 teeth on the mesal margin of the palpi 

 including the fixed end hook, which is not larger than any of the 

 teeth. (PI. V, Fig. 8.) 



Abdomen : caudal segments lengthened and narrowed, with no 

 lateral spines except on segment 9 (also on 8 according to Need- 

 ham) ; a faint dorsal ridge on last segments. Tenth segment less 

 than half as long as the ninth. Body clothed with a dense scurfy 

 pubescence conspicuously marked (abdomen) with lines of bare 

 scars. 



Measurements: total length, 35-36 mm.; length of abdomen, 

 24 mm. ; width, 8.5 mm. ; hind femora, 5 mm. ; dimensions of 

 segment 9, 3 mm. long by 3.5 mm. wide at cephalic margin; seg- 

 ment 10, 1.75 mm. long by 1.5 mm. wide. 



Adult, male. — Color brown and greenish. 



Head : face pale ; occiput with a spine or sharp tubercle at 

 middle. 



Thorax (Fig. 22, No. 15) : median lobe of pronotum with three 

 pale spots, and a median spot on caudal lobe ; femora pale at bases 

 beneath, the pale stripes tapering to the middle on middle and 

 hind femora ; meso- and metathorax mostly pale, the mesepisterna 

 each with two narrow dark stripes, and a stripe on mesopleural 

 suture. 



Abdomen : dark, a pale spot on dorsum of tergum i ; short 

 mesal stripes on 3-7 inclusive, reaching slightly beyond the middle 



