Results: 8

Gonotrophic discordance in Culex quinquefasciatus (Diptera: Culicidae) in the city of São Paulo, Brazil

Abstract INTRODUCTION: This study aimed to assess the occurrence of gonotrophic discordance in females of Culex quinquefasciatus in São Paulo, Brazil. METHODS: Resting females were collected monthly for 8 months. Females of Cx. quinquefasciatus were identified, and their midgut and ovaries were dissec...

Field evaluation of sticky BR-OVT traps to collect culicids eggs and adult mosquitoes inside houses

Abstract INTRODUCTION: Culex quinquefasciatus is a mosquito of importance to public health, as it represents a real and/or potential risk for the transmission of pathogens to humans, such as some arthropod-borne viruses and nematodes that cause filariasis. In Brazil, three municipalities in the Metropol...

Larvicidal effect of Clinopodium macrostemum essential oil extracted by microwave-assisted hydrodistillation against Culex quinquefasciatus (Diptera: Culicidae)

Abstract INTRODUCTION: In the present study, we determined the chemical composition of Clinopodium macrostemum essential oil obtained by microwave-assisted hydrodistillation and its effect on the growth and development of Culex quinquefasciatus mosquito larvae. METHODS: The essential oil compounds wer...

Revisäo das espécies do grupo atratus de Culex (Melanoconion) (Diptera: Culicidae)

Descreve as espécies Cx. atratus, Cx. dunni, Cx. ensiformis, Cx. zeteki, Cx. commevynensis, Cx. trigeminatus e Cx. caribeanus em suas formas imaturas e adulta, inclusive genitália masculina e cibário feminino. Além dos sete taxa conhecidos, säo apresentadas três espécies pertencentes ao grupo, uma...

Taxonomic study and redescription of Culex (Melanoconion) theobaldi (Lutz, 1904) (Diptera: Culicidae)

Mem. Inst. Oswaldo Cruz; 84 (supl.4), 1989
Based on type examination, Culex (Melanoconion) theobaldi (Lutz, 1904) is redescribed. The species Cx. (Mel.) chrysonotum Dyar & Knab, 1908, was put back as synonym of theobaldi. Besides, examination of Cx. (Mel.) chrysothorax (Newstead & Thomas, 1910) type, leads to retiring as synonym of theobaldi and ...