Taxonomia integrativa de espécies, com fêmeas morfologicamente similares, do gênero Psychodopygus (Diptera, Psychodidae), Série Chagasi, registradas no Brasil

Godoy, Rodrigo Espíndola

doi:10.11606/t.6.2018.tde-10072018-103750

DOI: 10.11606/t.6.2018.tde-10072018-103750

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Taxonomia integrativa de espécies, com fêmeas morfologicamente similares, do gênero Psychodopygus (Diptera, Psychodidae), Série Chagasi, registradas no Brasil

Rodrigo Espíndola Godoy¹

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Scanning Electron Microscopy of Sand Flies of the Chagasi Series, Psychodopygus (Diptera: Psychodidae) Genus, Focusing on the Genitalia

Godoy

Rangel²,

Mallet³

et al. 2019

Journal of Medical Entomology

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Males of cryptic or closely related species present great morphological variation in their genitalia, whereas females, such as those of the Chagasi Series of the Psychodopygus Mangabeira, 1941 genus, are more similar. Therefore, our aim was to study the fine structure of the male genitalia of five species of the Chagasi Series to better understand the variation in their morphology and its influence on the copulatory process. The sand fly species were captured in the following Brazilian states: Psychodopygus chagasi (Costa Lima, 1941) (Rondônia), Psychodopygus complexus (Mangabeira, 1941) (Tocantins), Psychodopygus squamiventris maripaensis (Floch & Abonnenc, 1946) (Amapá), Psychodopygus squamiventris squamiventris (Lutz & Neiva, 1912) (Amazonas), and Psychodopygus wellcomei Fraiha, Shaw & Lainson, 1971 (Pará and Ceará). Insects were stored in ethanol 70% (then dehydrated) and dry after they were sputtered with gold. The samples were observed under a scanning electron microscope. Microtrichiae, two types of trichoid sensilla, coeloconic and chaetic sensillae, were observed on the antenna of all species, with no difference between them. Only on the anepimeron of P. squamiventris squamiventris a modified ‘racket’-like scale was observed. As for the male genitalia, the setae and structures of each species were fully described, such as the small setae on the paramere apex of the P. squamiventris subspecies, and the grooves present in this region and on the paramere lobe of P. complexus and P. wellcomei, which are impossible to observe with optic microscopy. New information is thus provided on the male genitalia, which can contribute to future bionomic studies of these species.

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Scanning Electron Microscopy of Sand Flies of the Chagasi Series, Psychodopygus (Diptera: Psychodidae) Genus, Focusing on the Genitalia

Godoy

Rangel²,

Mallet³

et al. 2019

Journal of Medical Entomology

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Taxonomia integrativa de espécies, com fêmeas morfologicamente similares, do gênero Psychodopygus (Diptera, Psychodidae), Série Chagasi, registradas no Brasil

Cited by 1 publication

References 15 publications

Scanning Electron Microscopy of Sand Flies of the Chagasi Series, Psychodopygus (Diptera: Psychodidae) Genus, Focusing on the Genitalia

Scanning Electron Microscopy of Sand Flies of the Chagasi Series, Psychodopygus (Diptera: Psychodidae) Genus, Focusing on the Genitalia

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