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Table 3 Catch rate of D. bifasciata in seven locations within Japan during early-mid October between 1973 and 1984. Catch rate is given as mean per trap per day, with number of traps and number of days trapped in parentheses. Proportion of catch that was bifasciata is given across all traps and days, with total Drosophila catch in parentheses.

From: Host resistance does not explain variation in incidence of male-killing bacteria in Drosophila bifasciata

Island Location   bifasciata caught per day/ per trap (traps, days) bifasciata as proportion of catch (n)
Hokkaido Misumai 42°57' N 141°16' E 4.67 (5, 14) 13.6% (2407)
  Koryukozan 42°51' N 141°17' E 8.38 (5, 17) 15.94% (4458)
  Tomakomai 42°43' N 141°36' E 6.48 (6, 14) 2.01% (27033)
  Matsumae 41°26' N 140°08' E 2.54 (8, 7) 2.48% (5726)
Honshu Mimmaya 41°10' N 140°24' E 0.21 (8, 7) 0.51% (2342)
  Morioka 39°15' N 141°10' E 0.79 (4, 7) 0.82% (2683)
  Kiyosumi 35°10' N 140°10' E 0.00 (4, 7) 0 (903)