R
Richard A. Humber
Researcher at Agricultural Research Service
Publications - 158
Citations - 10141
Richard A. Humber is an academic researcher from Agricultural Research Service. The author has contributed to research in topics: Entomophthorales & Metarhizium. The author has an hindex of 40, co-authored 148 publications receiving 8950 citations. Previous affiliations of Richard A. Humber include Universidade Federal de Goiás & Cornell University.
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Secondary conidia types in the insect pathogenic fungal genus Strongwellsea (Entomophthoromycotina: Entomophthorales) infecting adult Diptera
TL;DR: Two types of secondary conidia and their formation are described from six species of Strongwellsea infecting hosts from Anthomyiidae, Muscidae and Fanniidae using a simple device allowing secondary conidium to be produced under very moist or comparatively dry conditions.
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Efficacy of focal applications of a mycoinsecticide to control Aedes aegypti in Central Brazil.
Juan Mercado Martinez,Juscelino Rodrigues,Ricardo Neves Marreto,Gabriel Moura Mascarin,Éverton K. K. Fernandes,Richard A. Humber,Christian Luz +6 more
TL;DR: In this article, a simple dissemination device was developed to attract and infect gravid A. aegypti adults with a granular formulation of the ascomycete Metarhizium humberi IP 46, and validated this device in the laboratory as well as in semi-field and field conditions.
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Development of Metarhizium humberi in Aedes aegypti eggs.
N.A. Sousa,Juscelino Rodrigues,Walquíria Arruda,Richard A. Humber,Richard A. Humber,Christian Luz +5 more
TL;DR: The entomopathogenic fungus Metarhizium humberi affects Aedes aegypti adults, larvae and eggs, but its ovicidal activity is not yet well documented.
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Susceptibility of All Nymphal Stages of Bemisia tabaci Biotype B (Hemiptera: Aleyrodidae) to Three Brazilian Isolates of Cordyceps sp. (Hypocreales: Cordycipitaceae) in a Screenhouse Under Variable Temperature and Moisture Conditions.
TL;DR: In this paper, the authors evaluated the susceptibility of 1st to 4th instars of Bemisia tabaci (Gennadius, 1989) (Hemiptera: Aleyrodidae) to three isolates of Cordyceps sp. (Hypocreales: Cordycipitaceae) was evaluated in screenhouse experiments under variable temperatures and moisture conditions.
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Hirsutella sp. (Hypocreales: Ophiocordycipitaceae) Affecting the Invasive Social Wasp Vespula vulgaris (Hymenoptera: Vespidae) in Southern Chile
TL;DR: During an ongoing monitoring of funnel traps by the Servicio Agrícola y Ganadero, a fungus-infected individual was collected and the fungus was identified morphologically as a species of Hirsutella (Hypocreales: Ophiocordycipitaceae), the first report of any HirsUTella species on V. vulgaris in Chile.