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Keywords: cuticle
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Journal Articles
J Exp Biol (2022) 225 (7): jeb242358.
Published: 1 April 2022
..., L. Larvae; the effect of atmospheric water absorption . J. Comp. Physiol. 101 , 121 - 132 . 10.1007/BF00694153 Machin , J. and Lampert , G. J. ( 1987 ). An improved water content model for Periplaneta cuticle: effects of epidermis removal and cuticle damage . J. Insect...
Journal Articles
J Exp Biol (2022) 225 (1): jeb243593.
Published: 4 January 2022
... symbioses for the hosts’ defence against natural enemies remain largely unstudied. Here, we investigated whether the cuticle-enhancing nutritional symbiosis of the saw-toothed grain beetle Oryzaephilus surinamensis confers protection against predation and fungal infection. We exposed age-defined symbiotic...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (3): jeb232819.
Published: 5 February 2021
... interests. Calcium content of the cuticle, measured per unit dry mass, was lower in animals held at reduced pH (7.5) in the carapace but not in the claw ( Table 3 ). In the carapace, calcium content was reduced on average by 11% in animals exposed to pH 7.5 compared with those held at ambient pH...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (14): jeb225029.
Published: 22 July 2020
... conditions the role of water-repellent cuticle structures in oxygen supply in caterpillars of M. castrensis submerged in water. For this purpose, air-layer stability tests using force measurements, and micromorphology of cuticle structures using SEM and fluorescence microscopy, were performed. A plastron...
Journal Articles
J Exp Biol (2020) 223 (9): jeb215194.
Published: 4 May 2020
... , K. and Kotiaho , J. S. ( 2009 ). Crystalline wax coverage of the imaginal cuticle in Calopteryx splendens (Odonata: Calopterygidae) . Int. J. Odonatol.   12 , 205 - 221 . 10.1080/13887890.2009.9748340 Grebennikov , V. V. ( 2008 ). How small you can go: Factors limiting body...
Journal Articles
J Exp Biol (2019) 222 (14): jeb202986.
Published: 22 July 2019
... mechanisms enabling them to control their body posture at impact. This ability allows them to quickly prepare for the next jump. Biomechanics Jumping Exoskeleton Cuticle Bending For many insects, both flight and jumping movements are means of efficient and fast locomotion. In general...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (7): jeb196659.
Published: 4 April 2019
... respiratory function. They also have a lower metabolic rate than other insects. O 2 boundary layers surrounding the beetles are present, indicating that O 2 diffuses into the surface of their bodies via cutaneous respiration. Cuticle thickness measurements and other experimental results were incorporated...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (8): jeb177568.
Published: 25 April 2018
... may limit body size, especially if the integument also functions in support or locomotion. Pycnogonids, or sea spiders, are marine arthropods that lack gills and rely on cutaneous respiration but still grow to large sizes. Their cuticle contains pores, which may play a role in gas exchange. Here, we...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (4): jeb173047.
Published: 20 February 2018
... preventing buckling of the tibia. This study, providing the first quantitative data on changes in the biomechanical properties of cuticle during the entire life of an insect, is expected to shed more light on the structure–property–function relationship in this complex biological composite. Fig. 3...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (20): 3677–3687.
Published: 15 October 2014
..., indicating a homogeneous linear elastic material. At full expansion of the latex membrane (121.8%), the cuticle adhering on the latex membrane was stretched to approximately 112.0% (±3.7%, N =11, Table 1 ), which corresponded to an elongation of 55.8% (±14.9%, N =11, Table 1 ) of the elongation...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (2): 222–224.
Published: 15 January 2014
... financial interests. 3 7 2013 16 9 2013 © 2014. Published by The Company of Biologists Ltd 2014 Locomotion Adhesion Friction Claw tuft Scopula Cuticle Arthropoda Arachnida Cupiennius salei Among lizards, frogs and arthropods, several lineages have evolved...
Journal Articles
J Exp Biol (2013) 216 (10): 1898–1904.
Published: 15 May 2013
... chitinous organic matrix, constructed as sclerotized chitin–protein microfibrils within which calcium carbonate is deposited. Although gastroliths share many characteristics with the exoskeleton, they are simpler in structure and relatively homogeneous in composition, making them an excellent cuticle-like...
Journal Articles
J Exp Biol (2012) 215 (9): 1502–1508.
Published: 1 May 2012
...Jan-Henning Dirks; David Taylor SUMMARY Insect cuticle is one of the most common biological materials, yet very little is known about its mechanical properties. Many parts of the insect exoskeleton, such as the jumping legs of locusts, have to withstand high and repeated loading without failure...
Journal Articles
J Exp Biol (2012) 215 (1): 179–184.
Published: 1 January 2012
... that the difference in force reduction on rough substrata depends on the dimensions of terminal contact elements (spatulae). * Author for correspondence ( sgorb@zoologie.uni-kiel.de ) 6 10 2011 © 2012. 2012 attachment adhesion friction biomechanics cuticle microstructure Arthropoda...
Journal Articles
J Exp Biol (2008) 211 (18): 2901–2908.
Published: 15 September 2008
... nematodes where it forms an oil that adheres to the coverslip and to adjacent nematodes. The oily material leaves impressions on the coverslip (cuticle prints) after the nematode has detached upon rehydration. The presence of the surface lipid was confirmed using attenuated total reflection infrared...
Journal Articles
J Exp Biol (2008) 211 (16): 2647–2657.
Published: 15 August 2008
... roridulae lives and walks on this sticky plant surface without being trapped. We have sought to reveal the mechanism underlying the apparent non-sticky nature of the cuticle of this bug. In this study, we have visualized intact plant and insect surfaces using cryo-scanning electron microscopy and measured...
Journal Articles
J Exp Biol (2007) 210 (24): 4272–4278.
Published: 15 December 2007
...Jennifer R. A. Taylor; Jack Hebrank; William M. Kier SUMMARY Molting in crustaceans involves significant changes in the structure and function of the exoskeleton as the old cuticle is shed and a new one is secreted. The flimsy new cuticle takes several days to harden and during this time crabs rely...
Journal Articles
J Exp Biol (2004) 207 (17): 2917–2924.
Published: 1 August 2004
... euplantulae,visco-elastic properties of the pad material have been previously suggested( Brainerd, 1994 ; Gorb et al., 2000b ). * Author for correspondence (e-mail: s.gorb@mf.mpg.de ) 3 6 2004 © The Company of Biologists Limited 2004 2004 friction adhesion cuticle pulvilli...
Journal Articles
J Exp Biol (2003) 206 (24): 4393–4412.
Published: 15 December 2003
...Hans Merzendorfer; Lars Zimoch SUMMARY Chitin is one of the most important biopolymers in nature. It is mainly produced by fungi, arthropods and nematodes. In insects, it functions as scaffold material, supporting the cuticles of the epidermis and trachea as well as the peritrophic matrices lining...
Journal Articles
J Exp Biol (2002) 205 (20): 3241–3249.
Published: 15 October 2002
...Fabrice Savarit; Jean-François Ferveur SUMMARY Hydrocarbons on the cuticle of mature Drosophila melanogaster flies play a crucial role in mate recognition, and protect against dehydration. We measured the effect of temperature on mature cuticular hydrocarbons (CHs) by (i) rearing two control...