Abstract
Flies (Brachycera) have adhesive pads called pulvilli at the terminal tarsomere. The pulvilli are covered by tenent setae, sometimes termed tenent hairs, which serve to increase the actual area of attachment to the surface. By using transmission and scanning electron microscopy it is shown that proximal and distal tenent setae have different ultrastructures. The design of distal adhesive setae is adapted for the release of adhesive substances close to the area of contact. It is concluded that secretion injection is precisely targeted under the distal tip of a single seta.
Full Text
The Full Text of this article is available as a PDF (222.0 KB).
Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Gorb S. N. Porous channels in the cuticle of the head-arrester system in dragon/damselflies (Insecta:Odonata). Microsc Res Tech. 1997 Jun 1;37(5-6):583–591. doi: 10.1002/(SICI)1097-0029(19970601)37:5/6<583::AID-JEMT18>3.0.CO;2-M. [DOI] [PubMed] [Google Scholar]
- Kendall M. D. The anatomy of the tarsi of Schistocerca gregaria Forskål. Z Zellforsch Mikrosk Anat. 1970;109(1):112–137. doi: 10.1007/BF00364935. [DOI] [PubMed] [Google Scholar]
- LOCKE M. Pore canals and related structures in insect cuticle. J Biophys Biochem Cytol. 1961 Aug;10:589–618. doi: 10.1083/jcb.10.4.589. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Maxwell M. H. Two rapid and simple methods used for the removal of resins from 1.0 micron thick epoxy sections. J Microsc. 1978 Mar;112(2):253–255. doi: 10.1111/j.1365-2818.1978.tb01174.x. [DOI] [PubMed] [Google Scholar]
- Savitz S. A., Evans J. L., Sullivan P. D., Tompkins W. G. Psychiatric day treatment, the therapy of choice. J Natl Med Assoc. 1976 May;68(3):219–221. [PMC free article] [PubMed] [Google Scholar]
- Spurr A. R. A low-viscosity epoxy resin embedding medium for electron microscopy. J Ultrastruct Res. 1969 Jan;26(1):31–43. doi: 10.1016/s0022-5320(69)90033-1. [DOI] [PubMed] [Google Scholar]