It is found in North America, Europe, Turkey, Israel, Caucasus, Central Asia, China, Korea, Japan. This species spins orb webs on low vegetation, often on calcareous grassland but also in damper areas of heathland, acid grassland, and other tussocky and rough grasslands.
Body length male: 3.0-3.5 mm, female: 4.5-4.7 mm. Prosoma black-brown, eye region and margin slightly brighter. Sternum black. Legs reddish yellow, unicoloured. Opisthosoma strongly bulged, black-brown with 3 white longitudinal stripes, mainly males (rarely) completely black, ventrally black with 2 bright longitudinal stripes. The adults are common from April to September. Hypsosinga pygmaea builds its small web of about 0.5 meters above the ground. During the day it sits on the central area; in danger or in bad weather it goes outside the web. It doesn't make signal thread and nest.
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