Term
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Definition
Order Protura
no antennae - they use their front legs for sensory
pseudoculi
no wings or cerci
prognathous |
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Term
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Definition
Order Collembola
furcula reduced or lacking
dorsal setae present
first thoracic segment visible dorsally; rounded |
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Term
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Definition
Order Collembola
first thoracic segment is not distinct, not visible
longer furcula and antennae |
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Term
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Definition
Order Collembola
body is globular - large and rounded
abdominal segments 1-4 are fused
furcula is well-formed, distinct
(looks like a rabbit) |
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Term
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Definition
Order Diplura
cerci look like forceps
antennae look like strings of beads |
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Term
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Definition
Order Microcoryphia
scales on basal segments of antennae
abdominal segments 2-7 have at lease 1 pair of eversible vesicles
sterna are large, triangular
3 caudal filaments - medial longer than cerci |
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Term
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Definition
Order Thysanura
compound eyes; ocelli not present
scaly body
3 caudal filaments (1 medial filament and the 2 lateral cerci) |
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Term
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Definition
Order Ephemeroptera
2 very long caudal filaments
small hindwings (hard to see) |
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Term
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Definition
Order Ephemeroptera
no hindwings
3 very long caudal filaments
very tiny |
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Term
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Definition
Order Ephemeroptera
MP2 and CuA wing veins distinctly bend away from MPI near the base of the forewings
hindwings present
2 long caudal filaments |
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