Social synchronization of the activity rhythm in a cave-dwelling insectivorous bat

Marimuthu, G.; Subbaraj, R.; Chandrashekaran, M. K.

doi:10.1007/bf00364921

Cited by 35 publications

(12 citation statements)

References 6 publications

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“…1974: Gaur, 1980, and heightened vocal activity. Marimuthu et al (1978) suggested that the increased vocal activity of Hipposideros speoris prior to emergence may be a form of social entrainment.…”

Section: Time-activity Budgetsmentioning

confidence: 98%

Roosting Ecology of Bats

1982

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Section: Time-activity Budgetsmentioning

confidence: 98%

Roosting Ecology of Bats

1982

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“…In the bat Hipposideros speoris, endogenous and exogenous signals are responsible for synchronized nocturnal activity (Marimuthu et al 1978;Marimuthu 1984). Circadian activity rhythms have been demonstrated in numerous troglophilic animal species and appear to be endogenously controlled with light as the principal zeitgeber (time-cue).…”

Section: Bat Flight Activitymentioning

confidence: 99%

Flight Activity of Insects within a Jamaican Cave: In Search of the Zeitgeber

Stringer¹,

Meyer‐Rochow²

1997

Invertebrate Biology

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JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org.. Wiley and American Microscopical Society are collaborating with JSTOR to digitize, preserve and extend access to Invertebrate Biology.Abstract. Flies of several families (Scatopsidae, Phoridae, Milichiidae) exhibit clear diurnal flight activity patterns in constant total darkness in Dromilly Cave, Jamaica. Most scatopsids were caught on adhesive traps during daytime (>95% between 0630 and 1830) with maximum catches about midday; phorids showed little evidence of cyclic activity although slightly more flew during the last half of the night and early morning (59% between 0000 and 1030); and most milichiids were caught during the day (>70% between 0630 and 1630) with slightly larger catches before midday. Apparently, those insects in the lightless region of the cave that display activity rhythms synchronize their flight activity to the diurnal cycle even though they are unable to see daily light intensity changes outside. Bats flew within the cave throughout the night with activity maxima at dusk and dawn, but they never flew during the middle of the day. We suggest that the flies used bat activity as a secondary zeitgeber.Additional key words: cave insects, Diptera, Scatopsidae, Phoridae, Milichiidae, bats, rhythm Small flying dipterans, most no longer than 2 mm, are abundant in many Jamaican caves with large bat populations (Peck 1975, 1992; Meyer-Rochow & Stringer 1997). Little is known about these insects except some aspects of their behavioral ecology (Stringer & Meyer-Rochow 1994) and their distribution in Dromilly Cave (Stringer & Meyer-Rochow 1996).Specimens representing the families Scatopsidae, Phoridae, and Milichiidae (in this text collectively referred to as cave flies) were taken to the Institute of Jamaica for comparisons with fly specimens held in the national insect collection, but identifications failed as the collections present were based on flies caught in the open. This suggested to us that the cave flies were absent, or at least very rare, outside caves.How little is known about Jamaican cave flies is highlighted by the fact that Matile (1994), in a recent review on cavernicolous dipterans of the world, does not list a single species from Jamaica. One is inclined to think that the statement by Farr (1984) that "nearly every species recorded from Jamaica belongs to a separate phyletic line or group ... and only four groups are represented by more than one species" (referring to Culicidae) could apply to cave flies as well. Most of the cave flies are saprophages, feeding on bat guano, carrion, and plant debris; a small number, most

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“…Social zeitgebers are believed to be most significant for organisms that lack environmental zeitgebers in their nesting site (e.g. cave-nesting organisms such as beavers (Bovet and Oertli 1974) and bats (Marimuthu et al 1978(Marimuthu et al , 1981). Honeybees (Apis rnellifera) are also cave-nesters, and social zeitgebers may be equally if not more important for their colony biorhythms.…”

Section: Introductionmentioning

confidence: 99%

The role of the queen in circadian rhythms of honeybees (Apis mellifera L.)

Moritz

Sakofski

1991

Behav Ecol Sociobiol

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Colonies and smaller social groups of honeybees (Apis mellifera carnica L.) show distinct free-running circadian rhythms similar to that of individual organisms. The workers of a colony synchronize their individual rhythms to one overall group rhythm. Caste plays an important role in this synchronization process. Queens were introduced into worker groups which were entrained to a phase-shifted light/dark cycle. The introduction of the queen caused a shift in the free-running phase under constant dark conditions. Single introduced workers had no effect on the free-running rhythms. This indicates that the queen plays an important role in the synchronization of circadian rhythms of honeybee colonies.

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Social synchronization of the activity rhythm in a cave-dwelling insectivorous bat

Cited by 35 publications

References 6 publications

Roosting Ecology of Bats

Roosting Ecology of Bats

Flight Activity of Insects within a Jamaican Cave: In Search of the Zeitgeber

The role of the queen in circadian rhythms of honeybees (Apis mellifera L.)

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