Elongatebodied Springtails

Families Poduridae and Entomobryidae

Identification: Poduridae: minute, usually gray or black, wit short appendages; integument (body covering) granular or tuber-culate, without scales; pronotum well developed and visible from above; antennae 4-segmented. Entomobryidae: similar, but integument usually smooth, pronotum reduced and usually not visible from above, and antennae 4- to 6-segmented.

The family Entomobryidae is the largest in the order, and includes most of the springtails found in leaf litter and soil, in fungi, under bark, and in similar situations. The Marsh Spring-tail, Isotomurus palustris (Müller), is a common entomobryid occurring in moist woodlands. The Seashore Springtail, Anurida maritima (Guerin), is a slate-colored podurid occurring along the seashore, often in large numbers; it is frequently found in dense clusters on the surface of small pools between the tide-marks. Podura aquatica Linn, is common on the surface of freshwater ponds and streams. The Snow Flea, Achorutes nivicolus (Fitch), is a dark-colored podurid that sometimes occurs in large numbers on the surface of snow.

Suborder Symphypleona

Body oval or somewhat globular. Basal abdominal segments more or less fused.

GLOBULAR SPRINGTAILS Family Sminthuridae Identification: By the characters of the suborder.

Sminthurids are minute insects, generally yellowish or mottled, with black eyes. They are often abundant on vegetation.

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