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1 December 2008 Larval Behavior Probably Associated with Respiration in Luciola substriata Gorham (Coleoptera: Lampyridae)
Xialin Zheng, Xinhua Fu, Shichang Zhang, Chaoliang Lei
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Abstract

The larval behaviors probably associated with respiration are reported in different larval instars of Luciola substriata Gorham (Coleoptera: Lampyridae). The behavior involved exposing eighth abdominal segment with spiracles to the atmosphere when swim behavior occurred to 1st–2nd and 3rd–6th instar larvae. In addition, 3rd–6th instar larvae exposed second to seventh abdominal segments with spiracles to air when swimming. Swimming and the behavior that uses the force of body curving travelling in a head-to-tail direction produces a sinusoidal wave. However, probably 1st–2nd instar larvae used both tracheal gills and the exposed posterior spiracle for respiration. Whereas 3rd–6th instar larvae lack tracheal gills, they probably rely only on tracheal respiration. The survival times of 1st–2nd instar larvae were nine times to 3rd–6th instar larvae when the water in the beakers was isolated from atmosphere by a thin plastic membrane. The potential for different selective pressures acting on these early and late instars was discussed.

Xialin Zheng, Xinhua Fu, Shichang Zhang, and Chaoliang Lei "Larval Behavior Probably Associated with Respiration in Luciola substriata Gorham (Coleoptera: Lampyridae)," The Coleopterists Bulletin 62(4), 550-559, (1 December 2008). https://doi.org/10.1649/1053.1
Received: 17 August 2007; Accepted: 1 April 2008; Published: 1 December 2008
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