Scanning of antennae and maxillary palps of anthropophilic Aedes aegypti and ornithophilic Culex pipiens as potential arbovirus vectors

Theodor Bilharz Research Institute

Bibliographic Information

Authors: Abouelmagd F.; Elsheikh M.E.; Khidir E.; Radwan M.; Rashad K.M.; El Said M.

Journal: Veterinary World

Publisher: Veterinary World

Publication Date: 7 October 2024

Volume / Issue: Volume 17 / Issue 10

Pages: 2248–2252

ISSN: 9728988

DOI: 10.14202/vetworld.2024.2248-2252

Scopus: View on Scopus

Document Type: Article

Access: All Open Access; Gold Open Access; Green Open Access


Authors and Affiliations

Abouelmagd F., Department of Medical Parasitology, Faculty of Medicine, Sohag University, Sohag, 82524, Egypt, Department of Microbiology, General Medicine Practice Program, Batterjee Medical College, Jeddah, 21442, Saudi Arabia; Elsheikh M.E., Department of Microbiology, General Medicine Practice Program, Batterjee Medical College, Jeddah, 21442, Saudi Arabia; Khidir E., Department of Laboratory Medicine, Faculty of Applied Medical Sciences, Umm Al-Qura University, Al-Abdeyah, Makkah, 24381, Saudi Arabia; Radwan M., General Medicine Practice Program, Batterjee Medical College, Jeddah, 21442, Saudi Arabia; Rashad K.M., Kasr Alainy, Faculty of Medicine, Cairo University, Giza, 11562, Egypt; El Said M., Department of Microbiology, General Medicine Practice Program, Batterjee Medical College, Jeddah, 21442, Saudi Arabia, Department of Microbiology and Infection Prevention and Control Unit, Theodor Bilharz Research Institute, Giza, 12411, Egypt


Abstract

Background and Aim: Efficient mosquito vectors are required to persist and propagate arthropod-borne diseases that seriously affect impoverished populations worldwide. Mosquito sensilla plays a crucial role in host-seeking and disease transmission to humans. This study aimed to distinguish between the several types of sensilla found on the antennae and maxillary palps of Culex pipiens and Aedes aegypti, matching this diversity with host preference and disease transmission. Methods: Overall, 1300 mosquitoes were collected and examined using dissection and light microscopy. Scanning electron microscopy was used to identify and describe the diverse types of sensilla found on the antennae and maxillary palps of C. pipiens and A. aegypti. Results: In total, 900 C. pipiens and 400 A. aegypti mosquitoes were identified. The antennae and maxillary palps of C. pipiens and A. aegypti carry both sensilla trichoidea and sensilla chaetica. The C. pipiens antenna has long and short grooved peg sensilla, whereas A. aegypti lacks long pegs and expresses only occasional short pegs. The maxillary palps express Capitate pegs in both mosquito species and exclusively show sensilla campaniform in A. aegypti. Conclusion: The lack of long-grooved pegs and the presence of few short pegs, along with campaniform sensilla, limit the host range of A. aegypti and reduce its susceptibility to many infections, unlike C. pipiens. © Abouelmagd, et al.


Keywords

Aedes aegypti; Culex pipiens; Scanning electron microscopy; Sensilla; virus vector; antenna (organ); Arbovirus; arthropod; Article; campaniform sensillum; disease transmission; electron microscopy; host range; host selection; light microscopy; maxilla; maxillary palp; microscopy; mosquito vector; nonhuman; sensillum; virus transmission


Citation Information

Scopus Citations: 1


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