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Black rot on orchids is caused by Pythium and Phytophthora species. [1] Black rot targets a variety of orchids but Cattleya orchids are especially susceptible. [1] Pythium ultimum and Phytophthora cactorum are known to cause black rot in orchids. [1] Pythium ultimum is a pathogen that causes damping-off and root rot on plants. [2]
Gymnadenia rhellicani (common name: dark vanilla orchid [2] or black vanilla orchid [3] [4]) is a European species of orchid. Description.
Ophrys insectifera, the fly orchid, is a species of orchid and the type species of the genus Ophrys. It is remarkable as an example of the use of sexually deceptive pollination and floral mimicry, as well as a highly selective and highly evolved plant–pollinator relationship.
Stethopachys formosa, the orchid beetle or dendrobium beetle, is an Australian insect found in northern New South Wales, Northern Territory and Queensland. [2] They cannot survive in colder climates, and they do not appear in Southern states. [3] This insect feeds on the flowers and leaves of orchids, often causing damage to cultivated plants. [4]
Scale insects are small insects of the order Hemiptera, suborder Sternorrhyncha.Of dramatically variable appearance and extreme sexual dimorphism, they comprise the infraorder Coccomorpha which is considered a more convenient grouping than the superfamily Coccoidea due to taxonomic uncertainties.
Jun. 7—CHEYENNE — An infestation of tiny black bugs invaded downtown Cheyenne in a single night, with swarms of them clinging to the walls of office buildings, churches and homes. Best Pest ...
In this case, the pesky bugs, which are actually called weevils, infest the whole kernels and lay eggs in the wheat grains before it's been milled into flour, Quoc Le tells Delish. "Kernels that ...
Septoria selenophomoides is a fungal plant pathogen infecting orchids. It causes leaf spots, starting with small yellowish lesions on the plant's leaves and darkening to brown or black. [1] [2] If the infection develops further, the leaves and fruit fall from the orchid and spread the infection. [2]
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