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Collembola - "Springtails" in MA Cranberry (2023)

A collection of collembolaA collection of a different species of collembola

Magnified collections of two species of Collembola

 

Collembola, commonly known as ‘springtails,’ are easily collected in the sweep net. They are harmless in cranberry. They are typically minute; most are smaller than the head of a pin. Recognition of Collembola in the sweep net is important because they resemble a couple of serious cranberry pests, e.g. blunt-nosed leafhopper nymphs (immatures) and black bug nymphs.
 

A colse up image of a collembola and a blunt-nosed leafhopper nymph

A close up image comparing a Collembola and a blunt-nosed leafhopper nymph

 

There are 100s of species of springtails worldwide, and we see several in MA cranberry beds. Different species vary in body shape and color but most of the species in cranberry are globular.

A photo of a greatly magnified globular-type CollembolaA greatly magnified photo of a different species of globular-type CollembolaA greatly magnified photo of another different species of globular-type Collembola

The three images above all feature a different species of greatly magnified globular-type Collembola

 

Cranberry sweep net collections show different species of Collembola held in a plastic bag, a sweep net, and a paper coffee cup. All images show how abundant & tiny they are

Cranberry sweep net collections show different species of Collembola held in a plastic bag, a sweep net, and a paper coffee cup. All images show how abundant & tiny they are.
 

Collembola are known to eat bacteria, lichens, algae, fungi, and/or decaying vegetation and can be important in nutrient cycling in the soil. They prefer damp environments.

 

A jump of a globular Collembola

S. Sudo et al. 2013. J. of Aero Aqua Bio-mechanisms

 

The common name ‘springtail’ comes from its novel way of jumping using a forked structure (furcula) on its underside. When the furcula is released, the springtail is tossed into the air. If you put spring sweep net contents into a plastic bag, you can hear the jumping Collembola plinking inside.

 

Additonal Facts

While most Collembola are considered beneficial or harmless to crops, there is an unusual species that is a pest of legumes. 'Snow fleas’ are some species of Collembola that are seen in aggregations on the surface of snow.

 

Great video about springtails from BBC: https://www.youtube.com/watch?v=OwOL- MHcQ1w

Author: Martha M. Sylvia and Anne L. Averill
Last Updated: May 19, 2023

Publications & Resources

  • Cranberry Chart Book
  • Cranberry Production Guide
  • Books and Pamphlets
  • Best Management Practices
  • Nutrient Management for Cranberries
  • Risk Management for Cranberries
  • Fact Sheets
  • Newsletters
  • Publications available in hard copy
  • Scholarworks
  • Videos

Center for Agriculture, Food, and the Environment

 

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Phone: (413) 545-4800
Fax: (413) 545-6555
ag [at] cns [dot] umass [dot] edu (ag[at]cns[dot]umass[dot]edu)

 

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