Grooming Behavior in American Cockroach is Affected by Novelty and Odor

Table 3

Time spent for grooming (s). Mean ± Standard error. Difference was calculated for each animal.

Series	Session	Antennae	Antennal bases	Forelegs	Midlegs and hindlegs	SUM
Series 1	1 (blank)	100.4 ± 20.0*	8.8 ± 2.3*	43.8 ± 6.9*
	2 (blank)
	Difference (2 − 1)
Series 2	1 (blank)
	2 (odor)
	Difference (2 − 1)

Statistical differences between first sessions of Series 1 and 2: .