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For terms see Morphology of Diptera.Chloropidae are minute to small (1.0 to 4.0 mm), rarely medium-sized, flies (6.0 to 9.0 and 12 mm) They are either black, gray, yellow, or greenish and the mesonotum often has a pattern of three to five dark longitudinal stripes against a light-colored background.
How myiasis affects the human body depends on where the larvae are located. Larvae may infect dead, necrotic (prematurely dying) or living tissue in various sites: the skin, eyes, ears, stomach and intestinal tract, or in genitourinary sites. [5] They may invade open wounds and lesions or unbroken skin. Some enter the body through the nose or ears.
Lesions on eyes; Glaucoma; Eye pain; Eye redness; Eye symptoms provide the common name associated with onchocerciasis, river blindness, and may involve any part of the eye from conjunctiva and cornea to uvea and posterior segment, including the retina and optic nerve. [20] [21] The microfilariae migrate to the surface of the cornea.
There is a trade-off between visual acuity and chemical or tactile acuity, such that most insects with well-developed eyes have reduced or simple antennae, and vice versa. Insects perceive sound by different mechanisms, such as thin vibrating membranes . [69] Insects were the earliest organisms to produce and sense sounds.
Experts say the majority of bugs are harmless, ... Here are the good and bad bugs to keep an eye out for this spring in eastern Washington. Karlee Van De Venter. March 8, 2024 at 1:36 PM.
The Phasmatodea (also known as Phasmida or Phasmatoptera) are an order of insects whose members are variously known as stick insects, stick bugs, walkingsticks, stick animals, or bug sticks. They are also occasionally referred to as Devil's darning needles , although this name is shared by both dragonflies and crane flies. [ 1 ]
Loa loa filariasis, (Loiasis) is a skin and eye disease caused by the nematode worm Loa loa.Humans contract this disease through the bite of a deer fly (Chrysops spp.) or mango fly, the vectors for Loa loa.
Chagas disease is caused by infection with the protozoan parasite T. cruzi, which is typically introduced into humans through the bite of triatomine bugs, also called "kissing bugs". [4] When the insect defecates at the bite site, motile T. cruzi forms called trypomastigotes enter the bloodstream and invade various host cells. [ 5 ]