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1 September 2011 Morphological Characterization and Distribution of Sensilla on Maxillary Palpi of Six Bactrocera Fruit Flies (Diptera: Tephritidae)
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Abstract

Several members of the Tephritidae (Diptera) are destructive pests of fruits and vegetables. This study used scanning electron microscopy to analyze the external morphology, typology, size, and distribution of maxillary palpus sensilla of both female and male adults of 6 fruit fly species, Bactrocera cucurbitae (Coquillett), B. diaphora (Hendel), B. dorsalis (Hendel), B. minax (Enderlein), B. scutellata (Hendel), and B. tau (Walker). The palpus is equipped with sensilla chaetica, sensilla basiconica, and microtrichia. In addition, the possible functions of the sensillum types are discussed. Probable functions include the mechanoreception of sensilla chaetica and microtrichia, and olfaction of sensilla basiconica. Future functional morphology and electrophysiological studies are needed to confirm these proposed functions.

Guo-Na Zhang, Helen Hull-Sanders, Fei Hu, Wei Dou, Jin-Zhi Niu, and Jin-Jun Wang "Morphological Characterization and Distribution of Sensilla on Maxillary Palpi of Six Bactrocera Fruit Flies (Diptera: Tephritidae)," Florida Entomologist 94(3), 379-388, (1 September 2011). https://doi.org/10.1653/024.094.0301
Published: 1 September 2011
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