PMID: 12770401May 29, 2003Paper

Morphology and ultrastructure of sense organs on the ovipositor of Trybliographa rapae, a parasitoid of the cabbage root fly

Journal of Insect Physiology
P E. Brown, M Anderson

Abstract

The ovipositor of the parasitoid wasp Trybliographa rapae was examined by scanning and transmission electron microscopy. Characteristic peg-like sensilla with a cuticular ring at the base are found at the tip of the ventral valves, where they occur in a characteristic arrangement of triplets. The unusual basal structure probably protects the sensilla against damage during movement through the substrate and piercing of the host cuticle. These sensilla are each innervated by six dendrites, some of which have lamellated tips, generally considered to be characteristic of thermosensitivity. It is suggested that the remaining dendrites are gustatory, and as such probably respond to factors present in host haemolymph. A second type of peg-like sensillum is found on both the dorsal and the ventral valves. These are set in deep pits so that only the tip of the peg protrudes above the surface of the cuticle. These occur along the length of the ovipositor shaft and ultrastructural studies reveal the pegs to be innervated by a single mechanosensitive dendrite, probably monitoring the movement of the ovipositor through the substrate.

Citations

Jan 12, 2007·Parasitology Research·Radchadawan Ngern-klunKabkaew L Sukontason
Nov 10, 2012·Arthropod Structure & Development·Manuela ReboraElda Gaino
Jul 16, 2013·Arthropod Structure & Development·Manuela ReboraElda Gaino
Aug 30, 2013·Microscopy and Microanalysis : the Official Journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada·José TormosCarlo Polidori
May 10, 2008·Micron : the International Research and Review Journal for Microscopy·Hany K M DweckEssam Darwish
Dec 20, 2007·Arthropod Structure & Development·Joop C van LenterenFerdinando Bin
May 13, 2011·Microscopy Research and Technique·Marlène GoubaultAnne Le Ralec
May 26, 2015·Micron : the International Research and Review Journal for Microscopy·Yanru ZhangYouqing Luo
Dec 3, 2014·Journal of Invertebrate Pathology·Linda-Marie RännbäckNicolai V Meyling
Feb 5, 2019·Microscopy and Microanalysis : the Official Journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada·Zong-You HuangXia-Lin Zheng
Oct 6, 2017·Biological Reviews of the Cambridge Philosophical Society·Paul K AbramJacques Brodeur
Dec 28, 2002·The Journal of Experimental Biology·Tetsutaro HiraguchiMasakazu Takahata

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