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221129

ULTRASTRUCTURAL STUDIES ON THE SENSILLA OF THE MOUTH PARTS AND ANTENNAE OF THE PRE-ADULT STAGES OF SITOPHILUS GRANARIUS (COLEOPTERA: CURCULIONIDAE)

Article

Last updated: 28 Dec 2024

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Subjects

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Tags

Zoology and Entomology

Abstract

The granary weevil S. granarius is one of the most important stored product pests on the world, because of its damage.  This pest is the main reason of the post harvest losses in world production; as a result of adults and larvae infesting and feeding on stored grains. The morphology and ultrstructure of the mouth parts and antennae of the pre-adult stage of S. granarius was investigated using scanning electron microscopy. The antennae and mouth parts of the granary weevil larvae and pre-pupal stage have a number of very interesting sensillae. The antennae have one large sensillum with different morphological appearance. Pores have been noticed on both sides. This one is known as sensilla basiconica. The pores may have an auditory function. The 2nd, 4th, and prepupal stages have a very strong mandibles each of them have two long sensillae. On the lateral view of the distal part of maxillary palp there was a digitiform sensillum. The digitiform organ is considered as a hygrothermo-receptor and was located on the lateral surface of the last segment of the larval maxillary palp. Another type of sensillae have been present and called chaetica sensillae, sensillae like a peg (sensilla twig basiconica) and campaniform sensilla which are located on the upper surface of the antennae of the 2nd, 4th larval instar and prepupal stages.

DOI

10.21608/aunj.2019.221129

Keywords

Sitophilus, Sensillae, SEM, Thermohygroreceptors, Olfactory receptors

Volume

48

Article Issue

2

Related Issue

31538

Issue Date

2019-12-01

Receive Date

2022-02-22

Publish Date

2019-12-01

Page Start

234

Page End

257

Print ISSN

2812-5029

Online ISSN

2812-5037

Article File

AUNJ_Volume 48_Issue 2_Pages 234-257.pdf

PDF . 1.6MB

Link

https://aunj.journals.ekb.eg/article_221129.html

Detail API

https://aunj.journals.ekb.eg/service?article_code=221129

Order

221,129

Type

Novel Research Articles

Type Code

2,242

Publication Type

Journal

Publication Title

Assiut University Journal of Multidisciplinary Scientific Research

Publication Link

https://aunj.journals.ekb.eg/

MainTitle

ULTRASTRUCTURAL STUDIES ON THE SENSILLA OF THE MOUTH PARTS AND ANTENNAE OF THE PRE-ADULT STAGES OF SITOPHILUS GRANARIUS (COLEOPTERA: CURCULIONIDAE)

Details

Type

Article

Created At

23 Jan 2023