Pollinators of Oxypetalum (Asclepiadaceae) in Southeastern Brazil
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چکیده
منابع مشابه
Pollinators of Oxypetalum (Asclepiadaceae) in southeastern Brazil.
Floral visitors of seven species of Oxypetalum were registered in Viçosa, State of Minas Gerais. O. appendiculatum, O. banksii subsp, banksii, O. alpinumn var. alpinum and O. pachyglossum are pollinated by wasps, being Polybia ignobilis (Vespidae) a pollinator of these four species. It seems that P ignobilis promotes interspecific pollinations mainly between O. alpinum var. alpinum and O. pachy...
متن کاملRemoval and insertion of pollinia in flowers of Oxypetalum (Asclepiadaceae) in southeastern Brazil.
Pollinarium removal and pollinium insertion of seven Oxypetalum species (O. alpinum var. alpinum, O. appendiculatum, O. banksii subsp. banksii, O. jacobinae, O. mexiae, O. pachyglossum and O. subriparium) were recorded in Viçosa. Minas Gerais. They presented a tendency of one or two pollinarium removals and one pollinium insertion (single insertion), except O. appendiculatum. In this species, m...
متن کاملProjected climate change threatens pollinators and crop production in Brazil
Animal pollination can impact food security since many crops depend on pollinators to produce fruits and seeds. However, the effects of projected climate change on crop pollinators and therefore on crop production are still unclear, especially for wild pollinators and aggregate community responses. Using species distributional modeling, we assessed the effects of climate change on the geographi...
متن کاملState of São Paulo Southeastern Brazil
Introduction: Early detection of American visceral leishmaniasis (AVL) outbreak in animals is crucial for controlling this disease in non-endemic areas. Methods: Epidemiological surveillance (2009-2012) was performed in Campinas, State of São Paulo, Brazil. Results: In 2009, Leishmania cha gasi was positively identifi ed in four dogs. Entomological research and three serological studies (2010-2...
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ژورنال
عنوان ژورنال: Revista Brasileira de Biologia
سال: 1999
ISSN: 0034-7108
DOI: 10.1590/s0034-71081999000400018