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November 7, 2011
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Barklice by melvynyeo Barklice by melvynyeo
Psocoptera are an order of insects that are commonly known as booklice, barklice or barkflies. They first appeared in the Permian period, 295248 million years ago. They are often regarded as the most primitive of the hemipteroids. Their name originates from the Greek word psokos meaning gnawed or rubbed and ptera meaning wings. There are more than 5,500 species in 41 families in three suborders. Many of these species have only been described in recent years.

They range in size from 110 millimeters (0.040.4 in) in length.

Psocids are small, scavenging insects with a relatively generalized body plan. They feed primarily on fungi, algae, lichen, and organic detritus. They have chewing mandibles, and the central lobe of the maxilla is modified into a slender rod. This rod is used to brace the insect while it scrapes up detritus with its mandibles. They also have a swollen forehead, large compound eyes, and three ocelli. Some species can spin silk from glands in their mouth.

Psocids lay their eggs in minute crevices or on foliage, although a few species are known to be viviparous. The young are born as miniature, wingless versions of the adult. These nymphs typically molt six times before reaching full adulthood. The total lifespan of a psocid is rarely more than a few months.
Pic of young... i think [link]


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:iconrupted:
rupted Featured By Owner Nov 9, 2011  Professional Digital Artist
Whoa, these guys are beautiful...and plentiful. The (possible) nymphs are adorable^^
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:iconmelvynyeo:
melvynyeo Featured By Owner Nov 15, 2011
Thanks! :)
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:iconpvven:
pVVEN Featured By Owner Nov 8, 2011
Much prettier than the barklice I found this past July hanging out under a rock. They're interesting, because they look like a weird cross between a fly and a sweat bee...
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:iconmelvynyeo:
melvynyeo Featured By Owner Nov 15, 2011
They do look weird :)
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:iconsamanth406:
Samanth406 Featured By Owner Nov 7, 2011  Hobbyist Traditional Artist
Wooow!
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:iconmelvynyeo:
melvynyeo Featured By Owner Nov 15, 2011
Thanks! :)
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