Antennal morphology and ultrastructural sensilla characterization in Caligo illioneus illioneus Cramer (Lepidoptera, Nymphalidae) adults

Da Silva, Chryslane Barbosa; Da Silva, Kelly Barbosa; De Freitas, Jeniffer Mclaine Duarte; De Freitas, Johnnatan Duarte; Chia, Gilson Sanchez; Garcia, Carlos Henrique; Guzzo, Elio Cesar; Da Costa, João Gomes; Feijó, Frederico Monteiro; Goulart, Henrique Fonseca; Santana, Antônio Euzébio Goulart

doi:10.1007/s00435-024-00672-5

Zoomorphology

2024

DOI: 10.1007/s00435-024-00672-5

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Antennal morphology and ultrastructural sensilla characterization in Caligo illioneus illioneus Cramer (Lepidoptera, Nymphalidae) adults

Chryslane Barbosa Da Silva,

Kelly Barbosa Da Silva,

Jeniffer Mclaine Duarte De Freitas

et al.

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The Ultramorphology and Sexual Dimorphism of Antennae and Sensilla in the Pale Grass Blue, Pseudozizeeria maha (Lepidoptera: Lycaenidae)

Chen,

Han,

2024

Insects

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The pale grass blue, Pseudozizeeria maha, is a small lycaenid butterfly widely distributed across Asia. Due to its exclusively diurnal lifestyle and conspicuous sexual dimorphism in wing coloration, vision has traditionally been regarded as the primary sensory system driving various behaviors. However, non-visual sensory systems related to sex-specific behavioral responses, such as antennae, have received far less attention. This study investigated the morphological characteristics and sensilla types of the antennae in adult P. maha using scanning electron microscopy, with a focus on potential sexual dimorphism. The antennae of adult P. maha are clavate, with no significant sexual differences in overall morphology. Six types of antennal sensilla were identified: Böhm bristles, sensilla squamiformia, sensilla trichodea, sensilla chaetica, sensilla basiconica, and sensilla coeloconica, with no sexual dimorphism observed in their morphological types or dimensions. Remarkably, the sensilla coeloconica exhibit significant sexual dimorphism, with a more prominent presence in females. This finding suggests that female P. maha may rely more on olfactory cues for some sex-specific behaviors, such as oviposition site selection.

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The Ultramorphology and Sexual Dimorphism of Antennae and Sensilla in the Pale Grass Blue, Pseudozizeeria maha (Lepidoptera: Lycaenidae)

Chen,

Han,

2024

Insects

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show abstract

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Antennal morphology and ultrastructural sensilla characterization in Caligo illioneus illioneus Cramer (Lepidoptera, Nymphalidae) adults

Cited by 1 publication

References 87 publications

The Ultramorphology and Sexual Dimorphism of Antennae and Sensilla in the Pale Grass Blue, Pseudozizeeria maha (Lepidoptera: Lycaenidae)

The Ultramorphology and Sexual Dimorphism of Antennae and Sensilla in the Pale Grass Blue, Pseudozizeeria maha (Lepidoptera: Lycaenidae)

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