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Sakr, H. (2009). ANTENNAL SENSILLA OF Trichogramma evanescens WESTWOOD (HYMENORTERA: TRICHOGRAMMATIDAE). Journal of Plant Protection and Pathology, 34(5), 5447-5463. doi: 10.21608/jppp.2009.188415
H. E. A. Sakr. "ANTENNAL SENSILLA OF Trichogramma evanescens WESTWOOD (HYMENORTERA: TRICHOGRAMMATIDAE)". Journal of Plant Protection and Pathology, 34, 5, 2009, 5447-5463. doi: 10.21608/jppp.2009.188415
Sakr, H. (2009). 'ANTENNAL SENSILLA OF Trichogramma evanescens WESTWOOD (HYMENORTERA: TRICHOGRAMMATIDAE)', Journal of Plant Protection and Pathology, 34(5), pp. 5447-5463. doi: 10.21608/jppp.2009.188415
Sakr, H. ANTENNAL SENSILLA OF Trichogramma evanescens WESTWOOD (HYMENORTERA: TRICHOGRAMMATIDAE). Journal of Plant Protection and Pathology, 2009; 34(5): 5447-5463. doi: 10.21608/jppp.2009.188415

ANTENNAL SENSILLA OF Trichogramma evanescens WESTWOOD (HYMENORTERA: TRICHOGRAMMATIDAE)

Article 23, Volume 34, Issue 5, May 2009, Page 5447-5463  XML PDF (717.42 K)
Document Type: Original Article
DOI: 10.21608/jppp.2009.188415
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Author
H. E. A. Sakr
Dept. of Plant Protection, Fac. of Agric., Ain Shams Univ., Shoubra El-Kheima, Cairo, Egypt
Abstract
The sense organs on antenna of the egg parasitoid Trichogramma evanescens (Hymenoptera: Trichogrammtidae) were investigated using a scanning electron microscope. The antennal sensilla showed strong sexual dimorphism as their number and types differed in female and male insects. The antenna of the female displayed 14 types of sensilla: basiconic capitata peg (types 1 and 2), campaniform, chaetica (types 1-3), coeloconic, falcate, placoid (types 1 and 2), styloconic and trichoid (types 1-3). The male antenna exhibited 12 types of sensilla which were: basiconic capitata peg (types 1 and 2), campaniform, chaetica (types 1- 3), coeloconic, placoid (types 1 and 2) and trichoid (types 3 -5).
The falcate and styloconic sensilla were only observed on the female antenna, meanwhile, trichoid sensilla types 4 and 5 were only detected on the male antenna. Variation in the structure and distribution of antennal sensilla   in both sexes are discussed, and also their function suggested. The survey could be used as a key for identification of Trichogramma spp.
Keywords
Trichogramma evanescens; Antennae; Sensilla; Scanning electron microscopy
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