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> > Tinodes sp.



Millcreek has attached these 6 pictures. The message is below.
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Tinodes larva. 11 mm.
Tinodes larva. 11 mm.
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Top of pupal case. 12 mm.
Top of pupal case. 12 mm.
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Bottom of pupal case. 12 mm.
Bottom of pupal case. 12 mm.
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Immature and mature pupae. 10 mm.
Immature and mature pupae. 10 mm.
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Ventral view of pupa. 10 mm.
Ventral view of pupa. 10 mm.
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Dorsal view of pupa. 10mm.
Dorsal view of pupa. 10mm.
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MillcreekFebruary 24th, 2015, 10:48 am
Healdsburg, CA

Posts: 356		These are relatively common in Mill Creek, a tributary of the Russian River.
They're found in pools on the side and top of rocks. They use a net to capture diatoms and algae. The net sits flat on the rock usually over a small declivity.

When ready to pupate, the larva leaves the net and finds a large rock, spins a covering of silk and sand and begins pupation. Pupae are usually found on the top or side of a rock.
CrenoFebruary 24th, 2015, 1:30 pm
Grants Pass, OR

Posts: 305		Nice pics - especially pupal stuff - can you get a close up of the head showing the structure (bump) between the antennae? Does that hang over the front of the head like a ball-cap brim?
MillcreekFebruary 24th, 2015, 2:45 pm
Healdsburg, CA

Posts: 356		Kind of pressed for time right now. Will try to get pics of the head later.
Did take a look under the microscope and it does to appear hang over the front of the head.
PaulRobertsFebruary 24th, 2015, 9:31 pm
Colorado

Posts: 1776		Nice. Thanks for these.

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