The comparative morphology of epidermal glands in Pentatomoidea (Heteroptera)

Kheyri, Homayoun, Cribb, Bronwen W. and Merritt, David J. (2014) The comparative morphology of epidermal glands in Pentatomoidea (Heteroptera). Arthropod Structure and Development, 43 3: 211-219. doi:10.1016/j.asd.2014.04.004


Author Kheyri, Homayoun
Cribb, Bronwen W.
Merritt, David J.
Title The comparative morphology of epidermal glands in Pentatomoidea (Heteroptera)
Journal name Arthropod Structure and Development   Check publisher's open access policy
ISSN 1467-8039
1873-5495
Publication date 2014-01-01
Year available 2014
Sub-type Article (original research)
DOI 10.1016/j.asd.2014.04.004
Open Access Status
Volume 43
Issue 3
Start page 211
End page 219
Total pages 9
Place of publication Kidlington, Oxford, United Kingdom
Publisher Pergamon Press
Language eng
Abstract The Heteroptera show a diversity of glands associated with the epidermis. They have multiple roles including the production of noxious scents. Here, we examine the cellular arrangement and cytoskeletal components of the scent glands of pentatomoid Heteroptera in three families, Pentatomidae (stink bugs), Tessaratomidae, and Scutelleridae (shield-backed bugs or jewel bugs). The glands are; (1) the dorsal abdominal glands, (2) the tubular glands of the composite metathoracic gland, and (3) the accessory gland component of the composite metathoracic gland. The dorsal abdominal glands are at their largest in nymphs and decrease in size in adults. The metathoracic gland is an adult-specific gland unit with a reservoir and multiple types of gland cells. The accessory gland is composed of many unicellular glands concentrated in a sinuous line across the reservoir wall. The lateral tubular gland is composed of two-cell units. The dorsal abdominal glands of nymphs are composed of three-cell units with a prominent cuticular component derived from the saccule cell sitting between the duct and receiving canal. The cuticular components that channel secretion from the microvilli of the secretory cell to the exterior differ in the three gland types. The significance of the numbers of cells comprising gland units is related to the role of cells in regenerating the cuticular components of the glands at moulting in nymphs.
Keyword Actin cytoskeleton
Class 3 gland cell
Dorsal abdominal gland
Metathoracic gland
Receiving canal
Secretory cell
Q-Index Code C1
Q-Index Status Confirmed Code
Grant ID DP0881351
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2015 Collection
School of Biological Sciences Publications
Centre for Microscopy and Microanalysis Publications
 
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