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1.
J Am Mosq Control Assoc ; 40(1): 71-74, 2024 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-38332553

RESUMO

Aedes albopictus is a vector of several pathogens of significant public health concern. In this situation, gravid traps have become a common surveillance tool for Aedes spp., which commonly use hay infusions as an attractant. Diverse grass infusions have been assessed to enhance the attraction to this vector mosquito. However, these studies have focused on the oviposition effect, and the attraction potential to gravid Ae. albopictus females has not been evaluated yet. Here we report the attractiveness of infusions of 4 different botanical species (Cenchrus purpureus, Cyanodon dactylon, Megathyrus maximus, Pennisetum ciliare) as baits in sticky ovitraps and autocidal gravid ovitraps (AGOs) under laboratory, semifield, and field conditions. In the laboratory, Cynodon dactylon showed attractiveness, whereas in semifield conditions, both C. dactylon and Megathyrsus maximus were similarly attractive for gravid Ae. albopictus. None of the infusions conducted with AGOs were able to lure Ae. albopictus and other species of mosquitoes in a 14-wk field experiment. Our results demonstrate the feasibility of finding more attractive infusions for Ae. albopictus females to improve the efficacy of AGO traps, but further testing of infusions in AGOs in field settings is needed.


Assuntos
Aedes , Poaceae , Feminino , Animais , Mosquitos Vetores , Oviposição , Controle de Mosquitos
2.
Emerg Infect Dis ; 29(7): 1443-1446, 2023 07.
Artigo em Inglês | MEDLINE | ID: mdl-37347822

RESUMO

We found serologic evidence of spotted fever group Rickettsia in humans and dogs and typhus group Rickettsia in dogs in Reynosa, Mexico. Our investigation revealed serologic samples reactive to spotted fever group Rickettsia in 5 community members, which highlights a potential rickettsial transmission scenario in this region.


Assuntos
Rickettsia , Rickettsiose do Grupo da Febre Maculosa , Tifo Epidêmico Transmitido por Piolhos , Humanos , Animais , Cães , Rickettsia/genética , México/epidemiologia , Anticorpos Antibacterianos , Rickettsiose do Grupo da Febre Maculosa/diagnóstico , Rickettsiose do Grupo da Febre Maculosa/epidemiologia , Rickettsiose do Grupo da Febre Maculosa/veterinária
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