Harvestman vs bird cherry-oat aphid

Образовательные видео на Harvestmen are common, but often under-appreciated, natural enemies in crop fields. Harvestmen can be identified by their roughly spherical bodies with fused head and cephalothorax (unlike the distinct body regions of spiders) and their long, spindly legs. Harvestmen do not have fangs like spiders, but rather have claw-like chelicerae that they use to tear apart the soft-bodied prey they feed on. The bird cherry-oat aphid is a pest of small grains such as wheat, oats and barley. They use their straw-like