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Water as a major modulator of the mechanical properties of insect cuticle.
A new role of the epicuticle is proposed: fine-tuning of the mechanical properties of the different cuticular layers can be accomplished by setting the local cuticular transpiration. Expand
The photomechanic infrared receptor for the detection of forest fires in the beetle Melanophila acuminata (Coleoptera: Buprestidae)
The morphological and physiological findings lead to the conclusion that the IR receptors of Melanophila must function by means of a hitherto undescribed photomechanic mechanism. Expand
The infrared receptor of Melanophila acuminata De Geer (Coleoptera: Buprestidae): ultrastructural study of a unique insect thermoreceptor and its possible descent from a hair mechanoreceptor.
It is concluded that the infrared sensilla of Melanophila acuminata are probably derived from hair mechanoreceptors, and a model of the possible function of the infrared receptor is presented. Expand
Fine structure and physiology of the infrared receptor of beetles of the genus Melanophila (Coleoptera: Buprestidae)
All morphological and physiological findings suggest that the infrared sensilla have evolved from ordinary cuticular mechanoreceptors and that mechanical events are still part of the transduction process. Expand
The analysis of the mechanosensory origin of the infrared sensilla in Melanophila acuminata (Coeloptera; Buprestidae) adduces new insight into the transduction mechanism.
- A. Schmitz, A. Sehrbrock, H. Schmitz
- Biology, Medicine
- Arthropod structure & development
- 1 September 2007
It is proposed that an IR sensillum most probably acts as a microfluidic converter of infrared radiation into an increase in internal pressure inside the sphere which is measured by the mechanosensitive neuron. Expand
Antennal thermoreceptors and wing-thermosensitivity of heliotherm butterflies: their possible role in thermoregulatory behavior
Iradiation experiments in freshly killed black papilionids under natural sunlight and minimized wind convection showed that antennae, wings and thorax heat with different warming rates and reach different specific excess temperatures under moderate radiation, indicating the existence of a sensory system for increasing temperatures. Expand
Thermal characterization of butterfly wings—1. Absorption in relation to different color, surface structure and basking type
- H. Schmitz
- 1 December 1994
Spectral integral reflectance, transmittance and the resulting absorption of intact and descaled butterfly wings of the black-winged Pachliopta aristolochiae, the white-wingsed Pieris brassicae, and the yellow-winging Gonepteryx rhamni (Pieridae) were determined. Expand
Distribution and functional morphology of photomechanic infrared sensilla in flat bugs of the genus Aradus (Heteroptera, Aradidae).
This study investigated 10 Aradus species, once again including A. albicornis, and found prothoracic as well as hitherto unknown mesoth oracic IR sensilla in A.AlbicORNis, AradUS lugubris and AradUs fuscicornIS, while in Aradu flavicorni only prothorecic IR receptors were found, currently not known as pyrophilous. Expand
Microfluidic photomechanic infrared receptors in a pyrophilous flat bug
The existence of photomechanic IR receptors in both beetles and bugs demonstrates a remarkable convergent evolution towards this particular biophysical transduction mechanism and suggests that it provides selective advantages over other possible solutions. Expand