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Subterranean termites move from place to place while foraging by tunneling through soil. During a period of foraging, they are likely to encounter a number of pre-formed tunnels created by, for example, tree roots or the breaking up of a zone of hard or compacted soil. We systematically observed the behavioral response of tunneling termites to such(More)
On any given day, about 35% of 80- to 85-day-old socially naïve male (SNM) lobster cockroaches (Nauphoeta cinerea) spontaneously adopted an aggressive posture (AP) without encountering another male [spontaneous AP (SAP)]. Although SAP SNMs showed significantly higher release of the pheromone 3-hydroxy-2-butanone (3H-2B) than non-SAP SNMs, there was no(More)
In lobster cockroach (Nauphoeta cinerea) adult males, concomitant expression of attack behavior and an increase in juvenile hormone (JH) III titer can be induced by contact with an isolated antenna [Chou et al., 2007. Antenna contact and agonism in the male lobster cockroach, Nauphoeta cinerea. Horm. Behav. 52, 252-260]. In the present study, socially naïve(More)
Subterranean termites forage from place to place by tunneling through soil. In order to examine termite-tunneling responses to external factors, we designed a square arena that contains five introduction chambers connected with narrow paths, which was filled with sand. Triangle-shaped indentation with width W and height H was provided as surface(More)
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