Nymph
Mostrando 13-24 de 68 artigos, teses e dissertações.
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13. A new species of Enchenopa (Hemiptera: Membracidae) from the Brazilian Atlantic Forest
Enchenopa luizae sp. nov. (holotype female from Brazil, State of São Paulo, municipality of São José dos Campos, Parque Natural Municipal Augusto Ruschi at 23°04'05°S", 45°56'22"W, 06.VIII.2011, R. La Rosa leg. deposited in DZUP) is described and diagnosed from the Atlantic Forest Vale do Paraíba, São Paulo, Brazil. The new species is very similar t
Zoologia (Curitiba). Publicado em: 2015-06
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14. Susceptibility characterization of residual Brazilian populations of Triatoma infestans Klug, 1834 (Hemiptera: Reduviidae) to deltamethrin pyrethroid
INTRODUCTION: Despite years of efforts towards the elimination of Triatoma infestans in Brazil, residual foci still persist in some areas of the States of Bahia and Rio Grande do Sul. The persistence of these T. infestans populations in the country has two different origins of equal concern: operational failures or insecticide resistance. Thus, the objectiv
Rev. Soc. Bras. Med. Trop.. Publicado em: 2015-04
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15. Toxicological profile of deltamethrin in Triatoma brasiliensis (Hemiptera: Reduviidae) in State of Ceará, Northeastern Brazil
INTRODUCTION: Triatoma brasiliensis is the species of greatest epidemiological relevance in the semi-arid region of Brazil. This species is predominantly found in domestic environments, and it has the ability to build large colonies with high levels of natural infection via Trypanosoma cruzi. Thus, T. brasiliensis is one of the most efficient transmitters o
Rev. Soc. Bras. Med. Trop.. Publicado em: 2015-02
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16. Biology of Triatoma carcavalloi Jurberg, Rocha & Lent, 1998 under laboratory conditions
Introduction Triatoma carcavalloi is a wild species that is found in sympatry with Triatoma rubrovaria and Triatoma circummaculata, which are vectors of Trypanosoma cruzi currently found in rural areas of Rio Grande do Sul, Brazil. Methods Fertility was assessed and to determine the incubation period, the eggs were observed until hatching. The first meal
Rev. Soc. Bras. Med. Trop.. Publicado em: 2014-06
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17. Demographic fitness of Belminus ferroae (Hemiptera: Triatominae) on three different hosts under laboratory conditions
Triatominae are widely recognised for their role as vectors of Trypanosoma cruzi. One of the main biological characteristics of this subfamily is their obligate haematophagous condition. However, previous studies on Belminus herreri and Belminus ferroae suggested that cockroaches are their principal hosts in domiciles. Due to this peculiar behaviour, the aim
Mem. Inst. Oswaldo Cruz. Publicado em: 2013-11
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18. Alcmeone robustus (Hemiptera: Membracidae: Darninae): description of the last-instar nymph and biological notes
The last-instar nymph of Alcmeone robustus (Butler, 1877) (Membracidae, Darninae, Darnini) is described and illustrated, and some biological and behavioral notes are provided. The nymphs were observed on Pera sp. (Euphorbiaceae) in the locality of Jacareí, state of São Paulo, Brazil, until they became adults. The newly emerged adults, male and female, are
Zoologia (Curitiba). Publicado em: 2013-10
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19. Developmental biology, polymorphism and ecological aspects of Stiretrus decemguttatus (Hemiptera, Pentatomidae), an important predator of cassidine beetles
Developmental biology, polymorphism and ecological aspects of Stiretrus decemguttatus (Hemiptera, Pentatomidae), an important predator of cassidine beetles. Stiretrus decemguttatus is an important predator of two species of cassidine beetles, Botanochara sedecimpustulata (Fabricius, 1781) and Zatrephina lineata (Fabricius, 1787) (Coleoptera, Cassidinae), on
Rev. Bras. entomol.. Publicado em: 2013-03
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20. The residual efficacy of a cypermethrin pour-on formulation applied on goats on the mortality and blood intake of Triatoma infestans
Triatoma infestans is the main vector of Trypanosoma cruzi, the aetiological agent of Chagas disease in the Gran Chaco region of South America. As a frequent blood meal source for triatomine bugs, domestic goats play a key role in the eco-epidemiology of Chagas disease. The aim of this study was to evaluate the mortality and blood intake of T. infestans fed
Mem. Inst. Oswaldo Cruz. Publicado em: 2012-12
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21. Amblyomma dissimile Koch (Acari: Ixodidae) attacking Primolius maracana Vieillot (Psittaciformes: Psittacidae) in the Amazon region, state of Pará, Brazil
The tick Amblyomma dissimile Koch feeds preferentially on reptiles (Squamata), although amphibians (Anura) also seem to be important hosts. We report an A. dissimile nymph infesting a blue-winged macaw, Primolius maracana, held in captivity in the Mangal das Garças Park, State of Pará, Brazil. Environmental observations suggest that free-living iguanas (Ig
Neotropical Entomology. Publicado em: 2011-08
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22. Redescripción de una especie y descripción de dos especies nuevas de Acanthococcus Signoret (Hemiptera, Eriococcidae) de la región Neotropical
The adult female and the first-instar nymph of Acanthococcus piptadeniae (Hempel), from Brazil, are redescribed and illustrated, and two new species from Argentina are described and illustrated based on the adult female. A key to Acanthococcus species with six setae on the protibiae and five on meso- and metatibiae, including Acanthococcus dubius (Cockerell)
Revista Brasileira de Entomologia. Publicado em: 08/07/2011
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23. Induction of insect plant resistance to the spittlebug Mahanarva fimbriolata Stål (Hemiptera: Cercopidae) in sugarcane by silicon application
Changes in the agroecosystem with the increase of green cane harvesting in Brazil affected the insect populations associated to this crop, and secondary pests like the spittlebug Mahanarva fimbriolata Stål, became much more important. Many studies have demonstrated the active role played by silicon in plant defense against herbivory. The objective of this s
Neotropical Entomology. Publicado em: 2011-06
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24. Factors affecting attack rate of whitefly on the eggplant.
The objective of this study was to determine the effects of weather, predators and parasitoids, canopy height and plant age, leaf chemical composition, levels of leaf N and K and leaf trichomes on the intensity of Bemisia tabaci attack on Solanum melongena. A higher density of nymph and whitefly adults was recorded at the base and medium of the plant compare
Pesquisa Agropecuária Brasileira. Publicado em: 2011