Rare Occurrence of Gynandromorphism in Lutzomyia davisi (Diptera: Psychodidae: Phlebotominae) in Brazil

Descriptions of morphological anomalies of phlebotomine sand flies (Diptera: Psychodidae) have been recorded in both the New World and the Old World. The majority of these anomalies are associated with the genitalia, the number of cibarial teeth, wing venation, the size of the palps, and other less...

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Bibliographic Details
Published in:Journal of medical entomology 2008-01, Vol.45 (1), p.166-168
Main Authors: Barbosa de Souza, Marcos, Dias Wermelinger, Eduardo, dos Santos Ponte, César, de Medeiros Meira, Antonio, Ney Martins Machado, Roberto, Rocha Vargas, Paulo Sérgio, Wilson de Carvalho, Raimundo
Format: Article
Language:English
Subjects:
Animals
Biological and medical sciences
Brazil
Disorders of Sex Development
Female
Fundamental and applied biological sciences. Psychology
genitalia
gynandromorphism
insect morphology
Insecta
Invertebrates
Lutzomyia
Lutzomyia davisi
Male
Medically important nuisances and vectors, pests of stored products and materials: population survey and control
polymorphism
Psychodidae - anatomy & histology
sand flies
sex differentiation disorders
Short Communications
Vectors. Intermediate hosts
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Summary:Descriptions of morphological anomalies of phlebotomine sand flies (Diptera: Psychodidae) have been recorded in both the New World and the Old World. The majority of these anomalies are associated with the genitalia, the number of cibarial teeth, wing venation, the size of the palps, and other less significant features. Such morphological variations, particularly in symmetry, can result in incorrect species identification. The occurrence of gynandromorphism in sand flies is a rare phenomenon. Currently, only five such cases have been registered in worldwide literature. In Brazil, only one report of gynandromorphism was observed in a specimen of Lutzomyia longipalpis (Lutz & Neiva 1912) from the state of the Ceará. We report here on the first known case of gynandromorphism in Lutzomyia davisi (Root 1934) captured in Alta Floresta, Mato Grosso state, Brazil.
ISSN:0022-2585
1938-2928
DOI:10.1603/0022-2585%282008%2945%5B166%3AROOGIL%5D2.0.CO%3B2