46 ElGHTEEXTH RePORT StATE ENTOMOLOGIST OF MINNESOTA — 1920 



TABLE T. SEASONAL ABUNDANCE OF NOCTURNAL 

 MOTHS DURING 1920 



Maximum 

 Specios First moths Last moths ciiu'i ;,'eiH(,' Total catch 



Agrotis hkarnca Aug. 24 Aug. 29 11 



A. c-nigrum 



First brood Tune 17 July 8 Tune 26-29 100 



Second brood Aug. 21 Sept. 30 Sept. 17-24 289 



A. ypsilon 



First lirood July 15 Tuly 16 2 



Second brood Sept. 18 Sept. 30 Sept. 25-30 75 



Lycophotia viargaritosa and var. saucia 



Earliest May 5 1 



First brood June 27 Tulv 13 June 29-30 56 



Second brood Aug. 16 Sept. 26 Sept. 15-20 90 



Feltia duccns July 14 Sept. 22 September 125 



F. gladaria July 29 Sept. 17 13 



Sidcmia devastator Aug. 13 Aug. 25 45 



Agroperina dubitans Aug. 21 Aug. 23 17 



Septis lignicolora July 8 July 16 7 



Polia lorea June 10 July 8 June 28-30 71 



Cirphis unipuncta 



First brood Tune 23 Tuly 21 June 28-JulvlO 669 



Second brood Aug. 16 Sept. 26 Aug.20-3b 395 



Nephclodcs cinmodoiiia Aug. 20 Sept. 12 Sept. 1-7 236 



Unidentified species 1,581 



Total large Noctuidae 3,784 



Lithacodia carncola Broods not well marked 1,996 



Balsa mahina 



First brood May 21 Tulv 9 June 9-13 226 



Second brood July 19 "Sept. 2 July 20-30 2i2,7 



EpiscuxU (3 species) June 24 Sept. 24 July 15-17 299 



Euclidca cuspidea May 28 July 17 June 10-20 261 



Drasteria sp. July 16 Aug. 24 July 25-Aug. 5 139 



Unidentified species 319 



Total small Noctuidae 3,577 



Hysopygia costalis June 28 Aug. 18 July 10-15 1,446 



Carpocapsa pomoyvella 



Second brood July 22 Sept. 24 Aug. 15-20 919 



Unidentified species (cliiefi\- Tortricidae ) 4,052 



Total Microlepidoptera 6,417 



Grand total, all species \?>.77^ 



