NO.2107. DRAGON l<'LIL}t^, WAtiHINdTON AND OUIWON—KMN NEDY. 319 



154 



149 



155 



four malos to oach female. In ovipositing the female would fly sev- 

 eral iimtis back Jiiid forth over a sliort beat of 40 or 50 foot, striking 

 her abdomen on the surface of the water at 3 to 5 foot intervals. 

 This beating back and forth generally lasted until a male discovered 

 her, when sJio woidd be 

 taken away in copida- 

 tion. At sucli times tlie 

 male s w o o p (^ d and 

 grasped the female's 

 luMid with his feet, then 

 bending the abdomen 

 forward and grasping 

 the female's head witli 

 the abdominal a})pen(l- 

 ages he would free liis 

 feet and she would bend 

 her abdomen forward 

 and copulate. (See lig. 

 159.) The copula tory 

 flight was ordinarily 

 away from water over 

 the surrounding trees, 

 but ended in a long 

 period of copulation 

 whilfi resting on some 

 bush or tree. One i)air, 

 observed resting in cop- 

 ulation for 15 minutes, 

 on being disturbed flow 

 away still in copulation. 

 In form and colora- 

 tion the specimens col- 

 lected on Satus Creek 

 (see figs. 133—136) agree *'"''^- 1 48-153.— macromu magnifica, nymph. 



.■1 ., , ... . Abdomkn. IM. Segmknt.s K- 



with the description in 

 Mr. Williamson's review 



148. Labium. HO. 

 10 of abdomen, ven 

 152. Lateral view of 



Figs. 



TRAL VIEW. 151. "Face 

 HEAD. 153. Antenna. 

 154-158. — Macromia illinoiensih, nymph. 154. Labium. 

 153. Abdomen. 15(). Segmiont.s 8-10 of abdomen, 

 ventral view. 157. lateral view of head. 158. 

 Antenna. 



of the genus, except that 

 the length of the abdo- 

 men in the males varies 

 from 51 to 53 millimeters. In life the eyes are pale gray, the thorax 

 a deep brown overlaid with pruinose. 



The nymph of this species was described in 1800 by Cabot,' who 

 gives a fair figure, but whose description, probably from the lack of 



'Cabot, liOUis. Immature stiVRM of the Odoiuita: (NHdiillna. MtMii. Miis. Conip. Zool., vol. 17, l.MM), 

 V. 18, pi. 2, figs. 2, 2rt. 



