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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]
A small proportion of the species are serious pests of commercially important crops. Some of these serve as vectors for over 20 viruses that cause plant disease, especially the Tospoviruses. Many flower-dwelling species bring benefits as pollinators, with some predatory thrips feeding on small insects or mites. In the right conditions, such as ...
The orchid mantis is a carnivorous insectivore, mainly catching other insects. In the laboratory setting, it prefers lepidopteran prey. [15] Its diet in nature is much the same as orchid mantises kept in captivity, and consists of small insects like crickets, flies, fruit flies, beetles, and smaller stinging insects such as bees or miniature wasps.
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]
The orchid family is one of the largest flowering plant families in the world. Orchids can be found on every continent except Antarctica, from the steamy jungles of Asia to the dry deserts of ...
The black bean aphid is a small, soft-bodied (meaning that the exocuticle part of the exoskeleton is greatly reduced) [5] insect that has specialised piercing and sucking mouthparts which are used to suck the juice from plants. This aphid is usually seen in large numbers and is a tiny, plump insect about two millimetres long with a small head ...
However, the first houseplant I was ever able to keep alive for a respectably long time also happened to be one of the most notoriously stubborn: an orchid. It was unexpected and not without a ...
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