ground-walking arthropods such as this heavy-bodied beetle
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Ground-walking arthropods such as this heavy-bodied beetle are easily captured in the pitfall traps
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Mating Tenebrionids
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This jerusalem cricket was the larger than the darkling beetles
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Scorpions are easy to find with a blacklight, and also are frequent captures in
pitfall traps
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Grasshopper on Artemisia tridentata (ARTR)
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Grasshopper on ARTR, top view;grasshoppers must be counted where they live,
because they rarely are captured in pitfalls
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Adult grasshoppers are commonly found on open ground, but nymphs are virtually always on the plants;
some nymphs fall into the pit traps
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Grasshoppers can be cryptic
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Malaise trap catches flying insects
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A large beetle on the malaise trap
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Cicadas emerge in
abundance in some
years
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A wary scorpion
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Students constructing sticky traps, 2000
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Pit trap collection
in Hardpan, summer
2006
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A standard method is 2 pitfall traps placed 50cm apart; some flying insects see the traps in the open and are captured in them
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Brigit with crates of pitfall traps.The pitfall traps are plastic jars
that can be sealed with screw top
covers.
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Pit trap collection,
2006
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Charles Ramseyeron a
brief water break when
retrieving pitfall traps,
2006
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As seen here, retrieving the pitfall traps is a team endeavor.
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We are careful to label
every one of the
300 pitfall traps
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One of the hardpan patches on which we placed pitfall traps, 2004
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A pair of traps under a medium size SAVE
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Pitfall trap
“under”Save