64 Bulletin Wisconsin Natural History Society. [Vol. 7, Nos. 1-2. 



Eutrop 12 = 28.6% 



Hemitrop 20 = 47.6% 



Allotrop 10 = 23.8% 



Rudbeckia L. 

 22. Rudbeckia hirta L. Black-eyed Susan. 



These flowers occur from about July i on, and may be found 

 throughout the remainder of the season, specimens with flowers 

 having been observed on November 5. There is a very decided 

 contrast in color between the yellow rays, and the dark-brown 

 disk. In the florets of the latter the tubes are about }i mm. wide, 

 and 3 mm. deep, with slightly divergent lobes. 



yy visitors are on the list. 



EUTROPOUS. 



Bees: 17, female, s. ; 19, male, s. ; 20, male, s. ; 27, male and 

 female, s. ; 34, male, s. ; 51, male, s. ; 52, male and female, s. ; 57,. 

 male, s. ; 58, male, s. ; 59, female, s. ; 61, male, s. 



HEMITROPOUS. 



Bees : 70, male, s. ; 82, female, s. ; 87, male and female, s. and 

 c. p. ; 93, female, s. and c. p. ; 102, male, s. ; 104, male and female, s. 

 and c. p. ; 105, female, s. and c. p. ; 106, male and female, s. and c. p. ; 

 109, female, s. and c. p.; 110, female, s. and c. p.; Ill, female, s. and 

 c. .p; 112, female, s. ; 113, female, s. and e. p. ; 115, female, s. and c. p. ; 

 120, female, s. and c. p. ; 122, female, s. 



Wasps: 145; 151; 186; 188; 196— all s. 



Flies: 275; 279; 281; 283; 284; 300; 306; 307; 308; 313; 315;. 

 319 ; 332 ; 341 ; 343— all s. or f. p. 



Butterflies and moths : 458 ; 460 ; 470 ; 502 ; 503 ; 505 — all s. 



ALLOTEOPOUS. 



Wasps : 172 ; 173— both s. 



Flies : 253 ; 262 ; 263 ; 265 ; 266 ; 349 ; 352 ; 377 ; 398 ; 399 ; 401 ;. 

 413; 415; 416; 438 — all s. or f. o. 



Beetles: 512; 514; 519; 536— all s. or. f. p. 



Bugs: 548, 554; 559— all s. 



Eutrop 11 = 14.3% 



Hemitrop . . . 42 = 54.5% 



Aliotrop 24 = 31.2% 



23. Rudbeckia laciniata L. Green-headed Cone-flower. 



Blooming period from about July 10 to August 25. The rays 

 are yellow, and the disk is of the same color. There is quite a. 



