Explanation of Names
Specific epithet refers to the four callosities on the pronotum.
Reddish-brown or gray, bark-like. Specific, though not necessarily diagnostic, characters (2)
, usually meet/overlap in front of it
humeral angles ("shoulders") of pronotum
opening of scent gland (underside of thorax) with black "ear-like" mark
e NA to Rockies, more common north of 40°N(1)(3)(4)
recorded hosts include members of 18 plant families(5)
Cuda, J.P. and J.E. McPherson. 1976. Life history and laboratory rearing of Brochymena quadripustulata with descriptions of immature stages and additional notes on Brochymena arborea (Hemiptera: Pentatomidae). Annals of the Entomological Society of America 69(5): 977-983.