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Pelidnota punctata, the grapevine beetle, spotted June beetle or spotted pelidnota, is a species of beetle in the family Scarabaeidae (Scarab beetles), subfamily Rutelinae. Grapevine beetles are common in the north and central United States and eastern Canada, but do relatively little damage to their host plants.
They are typically small beetles, with some very small species only half a millimeter in length. Scydmaenids typically live in leaf litter and rotting logs in forests, preferring moist habitats. A number of types are known to feed on oribatid mites, using "hole scraping" and "cutting" techniques to get through the mite's hard shells.
When viewed from above, most beetles appear to have three clear sections, but this is deceptive: on the beetle's upper surface, the middle section is a hard plate called the pronotum, which is only the front part of the thorax; the back part of the thorax is concealed by the beetle's wings. This further segmentation is usually best seen on the ...
P. vindex adults are hard-bodied beetles which range from approximately 11-22 millimeters (0.4-0.9 inches) in length. They are relatively bulky and oblong. These beetles are sexually dimorphic; the males can be identified by their iridescent elytra and a large horn on their heads while females have slightly less vibrant shells and lack horns.
The family includes spider beetles and deathwatch beetle, [2] as well as the cigarette, drugstore and furniture beetles. The Ptinidae family species are hard to identify because they are so small, and they have a compact body structure. They also have similar morphologies within the genera and species of the family. [3]
Latridiidae (sometimes spelled "Lathridiidae") is a family of tiny, little-known beetles commonly called minute brown scavenger beetles or fungus beetles. [1] [2] The number of described species currently stands at around 1050 in 29 genera but the number of species is undoubtedly much higher than this and increases each time a new estimate is made.
A small gnat sits on a California Goldfield daisy, which is a common wildflower, along Shell Creek Road last year. Gnats Some bite for blood and pass on illnesses.
This family contains the smallest of all beetles, [3] with a length when fully grown of 0.3–4.0 millimetres (0.01–0.16 in). [2] The weight is approximately 0.4 milligrams. [4] Ptillid wings are feathery due to the much higher effective viscosity of air at small body sizes, which makes normal insect wings much less efficient.