Synonyms and other taxonomic changes
Exochomus quadripustulatus (Linnaeus 1758) (see Kovar 1995)
Explanation of Names
quadripustulatus - Latin for "four-blistered", referring to the beetle's four red spots.
- dark brown to black with two pale (yellow to red) spots on each elytron: the front one is comma-shaped (sometimes rectangular), the rear one oval/round(1)
; recently emerged adults are orange or reddish without spots
w. N. Amer., adventive.
native to, and widespread across, the Palaearctic(2)
Adelgids (woolly aphids) and scale insects, especially on conifers
Introduced to control the Hemlock Woolly Aldegid (Adelges tsugae
); originally established near San Francisco, CA(1)
but now spread (or introduced) far beyond that.
all black, without anterior
margin and angle narrowly yellow; elytron
with spot near apex
Kovar I. (1995) Revision of the genera Brumus Muls. and Exochomus Redt. (Coleoptera: Coccinellidae) of Palaearctic Region. Part 1. Acta Entomologica Musei Nationalis Pragae 44: 5-124.