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Table 2 Compilation of all conducted test conditions with statistical results in a Y-olfactometer bioassay

From: The attraction of virgin female hide beetles (Dermestes maculatus) to cadavers by a combination of decomposition odour and male sex pheromones

Sample Control n P Beetles tested
gland extracta Pentane 20 0.132 virgin femalesi
synthetic     
pheromonesb Pentane 20 0.588 virgin femalesi
bloatedc     
+ pheromonesb Pentane 20 0.412 virgin femalesi
     newly emerged
post-bloatedd Pentane 20 0.588 femalesj
post-bloatedd Pentane 20 0.412 virgin femalesi
post-bloatedd     
+ pheromonesb Pentane 20 0.058 virgin femalesi
synthetic copy     
of post-bloatedg     
+ pheromonesb Pentane 20 0.058 virgin femalesi
advanced decaye     
+ pheromonesb Pentane 20 0.412 virgin femalesi
     newly emerged
dry remainsf Pentane 20 0.588 femalesj
dry remainsf Pentane 20 0.588 virgin femalesi
dry remainsf     
+ gland extracta Pentane 20 < 0.001 virgin femalesi
dry remainsf     
+ pheromonesb Pentane 20 0.058 virgin femalesi
benzyl butyrateh     
+ pheromonesb Pentane 20 0.588 virgin femalesi
  1. a pentane extract of a male gland = 1 gland equivalent.
  2. b synthetic (Z9)-unsaturated fatty acid isopropyl ester bouquet (1 gland equivalent).
  3. c headspace sample day 3 post-mortem.
  4. d headspace sample day 10 post-mortem.
  5. e headspace sample day 22 post-mortem.
  6. f headspace sample day 75 post-mortem.
  7. g 11 electrophysiologically active compounds in the post-bloating stage (day 9 post-mortem).
  8. h same concentration of the electrophysiologically active compound benzyl butyrate as that in the post-bloating stage (day 9 post-mortem).
  9. i 2–3 weeks old.
  10. j 24 hrs old.
  11. Choice experiments were analysed by the one-sided binomial probability test. Sample sizes (n) and significance levels (P-value) are given for each test.