Biology of Staphylinidae 253 
Table 1. 
Effect of temperature on the length of the pupal period of Philonthus cruentatus. 
Variation in 
Larva No easonal 
Number collettea Became PEA Became BEGIM® Days Temperature Tocality, of 
Inactive oy Black as — _— aie Saban 
Pupa 
151 9.26.25 9.29.25 9.30.25 10. 7.25 ¥ § Late Bloomington 
183 10.10.25 10.13.25 10.15.25 10.23.25 8 fall Ind. 
184 10.10.25 10.14.25 10.15.25 10.24.25 9 . 
186 10.10.25 10.13.25 10.14.2 10.24.25 10 44 
209A 5.14.26 19.26 5.21.26 5.28.26 5.29.26 8 ” 
211A 5.14.26 5.26.26 5.28.26 6. 3.26 6 
213° «5. 6.26 «65.19.26 5.21.26 5.28.26 5.29.26 8 ” 
215 5. 8.26 5.13.26 5.18.26 5.25.26 7 # 
217 5. 8.26 5.17.26 5.18.26 6.26.26 5.27.26 . 9 e: 
223 5.14.26 5.20.26 5.23.2 5.29.26 6 Spring ed 
228 5.14.26 5.28.26 30.26 "6.8.26 “6. 7.268 at # 
229 5.14.26 5.17.26 5.19.26 5.27.26 5.28.26 9 Bloomington e 
232 6.14.26 - 5.26.26 {8.27.26 . 641.26 6,:3:36.-.-7 Ind. a 
233 5.14.26 5.18.26 5.21.26 5.28.26 5.29.26 8 wy 
234 5.14.26 5.26.26 5.28.26 6.1.26 6.3.26 6 r 
240 5.14.26 5.23.26 5,26. 5.31.26 5 
243 5.14.26 5.18.26 5.20.26 5.27.26 5.28.26 8 A 
249 #8065.14.26 5.26.26 5.29.26 6.3.26 6.5.26 7 4 
250 «5.14.26 5.27.26 .29.26 . 4.26 7.26 9 
270 «6. 9.26 «66.13.26 614.26 6.24.26 6.24.26 10 Pendelton 
271-6. 9.26 © 6.16.26 6.17.2 .26.26 6.27.26 Ind. 
2722) 6.92 616.26 6.25.26 6.26.26 10 
274s «G. :9.26 6.16.26 6.25.26 6.26.26 1 Spring is 
280s «G. 9.26 6.16.26 6.25.26 6.26.26 10 at # 
285 6.10.26 6.13.26 6.16.26 6.24.26 6.25.26 9 Winona Noblesville 
287 §=s«G.10.26 6.13.26 6.16.26 6.25.26 6.26.26 10 Lake nd. 
288 6.10.26 6.23.26 6.16.26 6.25.26 26.26 10 Ind. Noblesville 
291 6.10.26 6.16.2 20.26 6.28.26 6.29.26 9 Fishers 
292 6.10.26 13.26 6.16.26 6.25.26 6.26.26 10 
293° «6.10.26 ~—«G.16.2 6.17.2 6.25.2 6.27.26 10 
298 = 6.10.2 16.26 6.25.26 6.26.26 10 Lapel 
301 6.10.26 6.16.26 618.26 6.27.26 6.28.26 9 Ind. 
304 .10.26 §=«6.13.26 6.16.26 6.25.26 6.26.26 10 
305 «6.10.26 6.13.26 6.16.26 6.25.26 6.26.26 10 vé 
307 6.10.26 = 6.16.26 6.17.26 6.26.26 6.27.26 10 e! 
360 6.24.26 6.30.26 7: 426-4 Bass Lake 
364 6.24.26 6.29.26 630.26 7.426 4 Ind. 
365 6.24.26 6.30.26 7.4.26 7.5.26 5 Tefft 
366 6.24.26 6.30.26 7.1.26 7.5.26 7.6.26 5 Ind. 
367 6.24.26 6.30.26 7. 4.2 2268 
370s 6.24.26 6.30.26 7.4.26 7.5.26 5 id- i 
377 6.24.26 6.30.2 7. 4.2 4 Summer Fowler 
382 6.24.26 6.30.26 7. 6.265258 Southern 
383 6.24.26 7. 226 6.26 «045 B28 oe Indiana 
385 6.24.26 7.2.26 7.4.26 7.7.26 7.8.26 4 = 
387 = «6.24.26 §©66.30.26 7.1.26 7.5.26 7.6.26 5 " 
389s «6.24.26 30.2 apt ay | og 
390 6.24.26 6.29.26 7. 1.26 7. 5.26 7. 62 5 ge 
391 24.26 6.30.26 7.1.26 7. 5.26 - 6.26 5 
395 6.25.26 30.2 7 1.26 hae 7, 826 4 Pine vinags 
397 6. 6 6.30. 7. 1.26 - 6.26 - 7.26 6 Ind 
398 = «6.25.26 6.27.26 6 30.26 7.426 4 tape Ind. 
399 6.25.26 630.26 7. 4.26 - 8.26 § 
403 6.25.26 6.27.26 630.26 4.26 7.5826 5 a 
478 7A726: 2.22.26.  TV2S26: TS. 3 i oe Grand Haven 
483 7.29.26 8.5.26 8.6.26 8 : 
488 7.23.26 7.29.26 7.30.26 8.5.26 8. ¥ Manton, Mich. 
490 23.26 a4 8.11.26. 7 
491 7.23.26 7.29.26 7.30.26 8.6.26 7 Northern sad 
30.26 8.5.26 8. 7.26 8 Michigan Douglas 
Lake, Mich. 
