Search results
Results from the WOW.Com Content Network
Puccinia thaliae is the causal agent of canna rust, a fungal disease of Canna. Symptoms include yellow to tan spots on the plant's leaves and stems. Initial disease symptoms will result in scattered sori (clustered sporangia), eventually covering the entirety of the leaf with coalescing postulates.
Canna leaf roller refers to two different Lepidoptera species that are pests of cultivated cannas. Caterpillars of the Brazilian skipper butterfly ( Calpodes ethlius ), also known as the larger canna leaf roller, cut the leaves and roll them over to live inside while pupating and eating the leaf. [ 1 ]
A pair of mating D. femorata in the Hudson Highlands region of New York. The common walkingstick is a slender, elongated insect that camouflages itself by resembling a twig. . The sexes differ, with the male usually being brown and about 75 mm (3 in) in length while the female is greenish-brown, and rather larger at 95 mm (3.7 i
In 2002, an 11-month-old baby boy is infected with Baylisascaris procyonis worms that cause him to sleep excessively, lose his balance and almost go blind. In 1967, an elderly Vietnam War veteran was diagnosed with malaria and successfully treated, but later in 2003, he has his legs and testicles destroyed by Lymphatic filariasis caused by Wuchereria bancrofti worms.
Leafhoppers mainly are herbivores, but some are known to eat smaller insects, such as aphids, on occasion. A few species are known to be mud-puddling, but as it seems, females rarely engage in such behavior. Many species are also known to opportunistically pierce the human skin and draw blood but the function of such behaviour is unclear.
Species in the family may be referred to as capsid bugs or "mirid bugs". Common names include plant bugs , leaf bugs , and grass bugs . It is the largest family of true bugs belonging to the suborder Heteroptera ; it includes over 10,000 known species, and new ones are being described constantly.
Nezara viridula, commonly known as the southern green stink bug (USA), southern green shield bug (UK) or green vegetable bug (Australia and New Zealand), is a plant-feeding stink bug. Believed to have originated in Ethiopia , it can now be found across the world. [ 1 ]
Lace bugs sometimes fall out of trees, land on people, and bite, which, although painful, is a minor nuisance. No medical treatment is necessary. [ 1 ] There are reports in Europe, e.g., Italy, [ 2 ] France [ 3 ] and Romania, [ 4 ] of Corythucha ciliata biting humans and some people have painful reactions, e.g., dermatosis.