Thyreocoridae (Negro Bugs)
These are very small dark brown or black bugs. They are shiny and spheroid-shaped like Lady Beetles, but smaller. Negro Bugs are either completely absent, or appear in large numbers on flowers, where they suck nectar. They are selective in the flowers they visit; Pycnanthemum spp. (Mountain Mints) and Solidago spp. (Goldenrods) are preferred sources of nectar.
These are very small dark brown or black bugs. They are shiny and spheroid-shaped like Lady Beetles, but smaller. Negro Bugs are either completely absent, or appear in large numbers on flowers, where they suck nectar. They are selective in the flowers they visit; Pycnanthemum spp. (Mountain Mints) and Solidago spp. (Goldenrods) are preferred sources of nectar.
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Hilty, J. Editor. 2012. Insect Visitors of Illinois Wildflowers. World Wide Web electronic publication. illinoiswildflowers.info, version (11/2012)
See: Abbreviations for Insect Activities, Abbreviations for Scientific Observers, References for behavioral observations
