Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Photo#190966
Globular Springtail - Pseudobourletiella spinata - female

Globular Springtail - Pseudobourletiella spinata - Female
Bolton, Worcester County, Massachusetts, USA
June 13, 2008
Size: 2mm

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Globular Springtail - Pseudobourletiella spinata - female Globular Springtail - Pseudobourletiella spinata - female

Frans
Thanks for the info. These 2 larger ones are probably females, going by size.

 
Indeed.
They are. Since I cannot see the male dorsal organ (the spines on abdominal segment 6).

Pseudobourletiella spinata
Indeed.
Specimens smaller then 1.6 mm could be males.
Specimens larger then 1.6 mm (up to 2.3 mm) are commonly females.