Results: 10

Erythematous papular rash after international travel

Rev. patol. trop; 51 (2), 2022
Bed bugs are hematophagous ectoparasites usually found in bedsteads mattresses, and sheets. The bed bug infestations have been increasing dramatically, but only a few cases have been reported in Brazil. We presented a case of a 49-year-old woman with diffuse, extremely itchy skin lesions, after she retur...

First record of Thaumastocoris peregrinus (Hemiptera, Thaumastocoridae) in Pará state, Brazil

Acta amaz; 49 (3), 2019
Thaumastocoris peregrinus (Hemiptera, Thaumastocoridae) is a phytophagous pest of eucalyptus plantations. It was introduced in Brazil in 2008, and expanded rapidly due to its adaptive capacity to different climatic conditions. Eucalyptus has been planted in the Brazilian Amazon since the 1980s, being use...

Saccharum angustifolium (Nees) Trin. (Poales: Poaceae) as hibernacle for stink bugs during the soybean and corn off-season in Southern Brazil

Arq. Inst. Biol; 86 (), 2019
Host plants are key factors in the survival of true bugs during unfavorable periods. The objective of this study was to evaluate the composition, diversity and abundance of pentatomid bugs in Saccharum angustifolium (Nees) Trin. (Poales: Poaceae). Plants were evaluated during the soybean and corn off--se...

Occurrences of Ornithocoris toledoi (Cimicidae) on a free-range chicken farm in the state of Rio de Janeiro, Brazil

Abstract Ornithocoris toledoi is a hematophagous insect that parasites birds, particularly, galliformes. Although the occurrence of this arthropod is relatively low in Brazil, this is an important ectoparasite associated with backyarding poultry. The objective of this study was to report the occurrence o...

Atualização dos conhecimentos sobre o percevejo de cama Cimex lectularius (Hemiptera: Cimicidae): proposta para um guia de vigilância e controle

Percevejos de cama são insetos de importância em saúde pública pela sua hematofagia obrigatória em todos os estágios de vida em que se alimenta. Cimex lectularius é a espécie mais comum, cosmopolita e antropofílica. Apesar de não serem considerados vetores comprovados de patógenos, suas caract...

Brown Stink Bug Mortality by Seed Extracts of Tephrosia Vogelii Containing Deguelin and Tephrosin

ABSTRACT Extracts of the seeds of Tephrosia vogelii Hook. f. were studied in relation to its chemical composition and toxicity to the brown stink bug Euschistus heros (F.). The extracts were obtained in ethyl acetate and ethanol in the sequence according to the polar nature of the solvents. Extracts were...

Occurrence of the stinkbug Edessa meditabunda F. (Pentatomidae) in differents cultivars of lettuce Lactuca sativa L. (Asteraceae)

Biosci. j. (Online); 28 (4), 2012
There are few research involving vegetables pests, especially when we consider the culture of lettuce (Lactuca sativa). Thus, the aim of this study was to verify the presence of stinkbugs Edessa meditabunda over four cultivars of lettuce. The experiment was conducted in field conditions in the vegetable ...

Teste de susceptibilidade do percevejo, Cimex lictularius L. (Hemiptera, Cimicidae) ao DDT em Belo Horizonte, MG (Brasil)
Susceptibility tests of the bed-bug Cimex lectularius L. (Hemiptera, Cimicidae) do DDT in Belo Horizonte, MG (Brazil)

Rev. saúde pública; 26 (2), 1992
O nível de susceptibilidade de percevejos adultos, Cimex lectularius, ao DDT, em Belo Horizonte, Minas Gerais (Brasil), foi determinado durante o período de 1985 a 1986. Os resultados indicaram, para os insetos testados, que uma dose de 4,0 por cento do inseticida näo foi suficiente para matar 55 por ...

Os cimicídios e sua importância em saúde pública (Hemiptera-Heteroptera; Cimicidae)
The cimicidae and their importance in public health (Hemiptera-Heteroptera; Cimicidae)

Rev. saúde pública; 24 (supl), 1990
Apresenta-se a atualizaçäo de conhecimentos sobre insetos da família Cimicidae, ou percevejos, de interesse em saúde pública. Após fornecer elementos de morfologia, externa e interna, dedica-se atençäo à biologia e ecologia desses insetos, em especial modo, focalizando o relacionamento com o hom...

Cimex lectularius, L. (la chinche comun de cama) trasmisor de Trypanosoma cruzi.
Cimex lectularius, L. (the bedbug) as a transmissor of Trypanosoma cruzi

Prensa méd. argent; 69 (13), 1982
Demostracion experimental de que la chinche comun de cama puede trasmitir la tripanosomiasis cruzi con indice de probabilidades similar al de las vinchucas, por: su facilidad de infestacion al sorber sangre de un mamifero infectado, su altisimo indice de trasmision por la picadura y prolongado lapso de p...