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American naturalist Thomas Say described the bean weevil species as Bruchus obtectus in 1831, [1] and was later moved to the genus Acanthoscelides. [4] In a 1870 publication John Lawrence LeConte mistakenly called it Bruchus obsoletus, which led several later author to call it under this name which in fact belonged to another species, and as a result references to A. obtectus in publications ...
Beans, peas, and bean pod with holes drilled by Bruchus rufimanus. Bruchus rufimanus, commonly known as the broadbean weevil, broadbean beetle, or broadbean seed beetle is a leaf beetle which inhabits crops and fields, as well as some homes. It is a pest of faba beans (Vicia faba L.).
In seed plants, the embryo will develop one or more "seed leaves" . By the end of embryogenesis, the young plant will have all the parts necessary to begin in its life. Once the embryo germinates from its seed or parent plant, it begins to produce additional organs (leaves, stems, and roots) through the process of organogenesis.
The bean weevils or seed beetles are a subfamily (Bruchinae) of beetles, now placed in the family Chrysomelidae, though they have historically been treated as a separate family. They are granivores , and typically infest various kinds of seeds or beans , living most of their lives inside a single seed.
Cerotoma trifurcata (also known as the bean leaf beetle) [1] is a species of beetle in the Chrysomelidae family that can be found in the Eastern and West United States. [ 2 ] Previously considered a minor pest , the past 30 years have seen an increase in population abundance . [ 3 ]
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The species that are most common for the beetle to lay their eggs on are black eyed peas, mung beans, and adzuki beans. [13] If more than one host is available, the beetle will choose its host depending on the variety and size of the bean as well as the texture of the seed coat. [19]
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