''Boisea'' is the least speciose genus of the soapberry bug subfamily. Members of this genus are found in North America, India, and Africa. Unlike other serinethine genera, the distribution of ''Boisea'' is very patchy; it is speculated that its highly

vicariant Allopatric speciation () – also referred to as geographic speciation, vicariant speciation, or its earlier name the dumbbell model – is a mode of speciation that occurs when biological populations become geographically isolated from ...

range is relictual of what was previously a much vaster, continuous range. The most well-known species of this genus are the North American boxelder bugs (western ''

Boisea rubrolineata ''Boisea rubrolineata'' or the western boxelder bug is identical to the boxelder bug aside from having prominent red veins on its corium. It is found in western North America. Adults are 9-13 mm in length. The thorax and wings are black with re ...

'' and eastern ''

Boisea trivittata The boxelder bug (''Boisea trivittata'') is a North American species of true bug. It is found primarily on boxelder trees, as well as maple and ash trees.

'') and African ''

Boisea fulcrata ''Boisea'' is the least speciose genus of the soapberry bug subfamily. Members of this genus are found in North America, India, and Africa. Unlike other serinethine genera, the distribution of ''Boisea'' is very patchy; it is speculated that it ...

''. The US species mainly feed on the seeds of

maple ''Acer'' () is a genus of trees and shrubs commonly known as maples. The genus is placed in the family Sapindaceae.Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 9, June 2008 nd more or less continuously updated since http ...

trees and are occasional nuisance pests around homes. Box elder bug

In North America, ''Boisea trivittata'' is native to most of the continental United States, excluding California. ''Boisea rubrolineata'' is native to western continental United States. Exocrine secretions of these bugs have also been extensively studied.

References

Pentatomomorpha genera Hemiptera of North America Serinethinae Taxa named by George Willis Kirkaldy {{Coreoidea-stub