1908] 
MuttkoivsJci, Dragon Flies of Wisconsin. 
77 
Enallagma civile Hag-en, Syn. Neiir. N. Am., p. 88, 1861 ; Needham, 
Bull. 68 N. Y. State Mus., p. 256, 1903 (Bibliograph) . 
Abd. male 25, female 27 : h. w. male 18, female 20. 
Male — Markings like ehriuiu. The superior appendages have an 
introduced tubercle. 
Female. — Dull blue or yellowish green, dorsum of abdomen black, 
3 — 7 with pale interrupted rings. 
Life Zone: Boreal to Lower Austral. 
Wisconsin : Near Southern Boundary. 
Time and Habitat — May to September about lakes and ponds. 
Enallagma aspersum Hagen, Syn. Neur. N. Am., p. 97, 1861 ; Need- 
ham, Bull. 68 N. Y. State ISIus., p. 256, 1903 (Bibliography). 
Abd. male 25, female 24 — 25 ; h. w. male and female 18. 
]Male. — Color blue, marked with black. Abdomen blue ; a basal 
spot on 1, an apical spot on 2, apical two-thirds of 3, all of 4- — 6, basal 
half of 7, and 10 entirely, black. Segments 4 — 6 have narrow basal 
interrupted rings. 
Female. — A trifle lighter, dorsum of abdomen black, interi^nDted 
rings on 3 — -7. 
Life Zone : Upper Austral. 
Time and Habitat — June to August about lakes and streams. 
Enallagma exsulans Hagen, Syn. Neur. N. Am., p. 97. 1861 ; Need- 
ham. Bull. 68 N. Y. State Mus., p.' 255, 1903 (Bibliography & Desc. of 
njTnph) . 
Abd. male 27, female 26 ; h. w. male 18, female 19. 
Male. — Color blue. Thorax with black mid-dorsal and humerals. 
Abdomen black, blue ringed ; on 1 apically, basal and interrupted on 
3—6 ; 10 and apex of 9 blue. 
Female. — Dorsum of abdomen green, interrupted basal rings on 
3 — 6 ; 10 and apex of 9 blue. 
Life Zone : Upper Austral. ' 
Wisconsin : Milwaukee Co., July 6-8, Aug. 8, 1902. 
Time and Habitat — May to September at shores of lakes and 
streams. 
Enallagma antennatum Say Journ. Ac. Sci. Phila. 8, p. 39, 1869 : 
Hagen, Syn. Neur. N. Am., p. 73, 1861 ; Needham, Bull. 68 N. Y. State 
Mus., p. 257, 1903 (Bibliography & Desc. of nymph). 
Abd. male 24, female 23 ; h. w. male 17, female 18. 
Male.- — Colors blue, marked with black, yellow and green. Thorax 
black, with carina and humerals yellow, sides yellow or pale blue to 
green. Dorsum of abdomen black, an apical ring on 1, narrow basal 
interrupted rings on 3 — 6, and 9 entirelj^, blue. 
Female. — Thorax similar to male. Abdomen black, interrupted 
rings on 3 — 6, and most of 10 blue. 
Life Zone : Upper Austral. 
Wisconsin : Milwaukee Co., June 29, 1903 ; Nagowicka Lake, Aug. 
8-20, 1901 ; Cedar Lake, Aug. 12, 1901. 
Time and Habitat — May to September about lakes, ponds and 
streams. 
Enallagma signatum Hagen, Syn. Neur. N. Am., p. 84, 1861 ; Need- 
ham, Bull. 68 N. Y. State Mus., p. "^258, 1903 (Bibliography & Desc. of 
nymph) . 
