Mountain Seed Bug vs Belostoma Giant Water Bug

Side-by-side species comparison

Attribute Mountain Seed Bug Belostoma Giant Water Bug
Scientific Name Nysius helveticus Belostoma flumineum
Order Hemiptera Hemiptera
Family Lygaeidae Belostomatidae
Size 3-5 mm body length 18-25 mm
Habitat Grasslands Ponds & Lakes
Diet Seed Feeders Omnivores
Regions Alps, Central European mountains North America
Conservation Least Concern Least Concern

Mountain Seed Bug

A small seed bug found in alpine and subalpine grasslands across Europe. It feeds on seeds and sap of various mountain plants.

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Did You Know?

Large swarms sometimes form on mountain summits during warm summer days.

Belostoma Giant Water Bug

A medium-sized, oval giant water bug found across North America. Males carry eggs cemented to their backs by females until hatching. It is a common inhabitant of ponds and vegetated lake margins.

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Did You Know?

If a female tries to mate with a male already carrying eggs, she will systematically destroy the existing eggs first to make room for her own clutch.