Swimming in whirligig beetles (Coleoptera: Gyrinidae): a possible role of the pygidial gland secretion

Swimming in whirligig beetles (Coleoptera: Gyrinidae): a possible role of the pygidial gland secretion

Dead whirligig beetles are propelled across the water surface at a velocity of up to 6 cm/s. This movement is due to the passive secretion of the pygidial gland substance, which contains a surface-active component. This finding suggests that live beetles may use this secretion to help propel themsel...

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Bibliographische Detailangaben
Veröffentlicht in:The Coleopterists bulletin 1987-06, Vol.41 (2), p.151-153
1. Verfasser: Vulinec, K
Format: Artikel
Sprache:eng
Schlagworte:
Animal glands
AQUATIC ORGANISMS
Beetles
COLEOPTERA
DINEUTUS HORNII
Dung beetles
Freshwater
GLANDE
GLANDS
GLANDULAS
Gyrinidae
Locomotion
ORGANISME AQUATIQUE
ORGANISMOS ACUATICOS
Pheromone glands
Secretion
Speed
Swimming
Velocity
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Beschreibung
Zusammenfassung:Dead whirligig beetles are propelled across the water surface at a velocity of up to 6 cm/s. This movement is due to the passive secretion of the pygidial gland substance, which contains a surface-active component. This finding suggests that live beetles may use this secretion to help propel themselves across the water.
ISSN:0010-065X
1938-4394