2005
DOI: 10.1073/pnas.0408649102
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Termites assess wood size by using vibration signals

Abstract: Contrary to the common perception that termites are indiscriminant eaters, termites choose their food carefully; however, the methods by which they choose food are not well understood. Using choice experiments and recordings of termites feeding on wooden blocks of different sizes, we show that worker drywood termites (Cryptotermes domesticus) use the resonant frequency of a block of wood to assess its size. Drywood termites showed differences in their response to vibration recordings of termites compared with … Show more

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Cited by 110 publications
(92 citation statements)
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“…The tactile stimuli come from the edges of solid objects present along the trail and of the food, and help the termites establish the trail of the colony to the food source (Swoboda & Miller, 2004). In the case of drywood termites, some species produce acoustic stimuli by drumming their head against the substrate or shaking their body as a mechanism to attract foragers and to assess the size of the food source (Evans et al, 2005;2007). Hedlund and Henderson (1999) verified that for C. formosanus the larger the size of the food source, the greater the consumption.…”
Section: Discussionmentioning
confidence: 99%
“…The tactile stimuli come from the edges of solid objects present along the trail and of the food, and help the termites establish the trail of the colony to the food source (Swoboda & Miller, 2004). In the case of drywood termites, some species produce acoustic stimuli by drumming their head against the substrate or shaking their body as a mechanism to attract foragers and to assess the size of the food source (Evans et al, 2005;2007). Hedlund and Henderson (1999) verified that for C. formosanus the larger the size of the food source, the greater the consumption.…”
Section: Discussionmentioning
confidence: 99%
“…Because solitary-insect hexamerins play a very welldocumented role in nutrient storage (Burmester and Scheller, 1999), one possibility is that food quality/quantity and nutritional status are important extrinsic and intrinsic factors that impact hexamerin titers (Nalepa, 1994). Colony conditions, such as caste composition (reviewed in Wilson, 1971), auditory stimuli (Evans et al, 2005) and primer pheromones (Wilson and Bossert, 1963;Lefevue and Bordereau, 1984;Vander Meer et al, 1998;Korb et al, 2003), may also have either direct or indirect impacts on hexamerin titers. With respect to environmental influences on JH, conditions such as season, temperature and moisture must also certainly play a role (Huang and Robinson, 1995;Liu et al, 2005a;Liu et al, 2005b;Suzuki and Nijhout, 2006).…”
Section: Termite Hexamerins and Impending Issuesmentioning
confidence: 99%
“…This alarm is transmitted inside the nest and the gallery system at a distance of several meters (Lehrer, 2013). In the literature, the vibration alarm signal is generally <2 kHz and acoustic emission with the ultrasonic signal is > 60 kHz (Evans et al, 2005).…”
Section: Discussionmentioning
confidence: 99%