Simplify the following text for a Grade 8 native English-speaking person.
Original: All three species are commonly observed raiding beehives of different species of honey bee for honey ; A. atropos only attacks colonies of the well-known Western honey bee , Apis mellifera .
Simplified: All three species are commonly seen raiding beehives of different species of honey bee for honey , but A. atropos only attacks colonies of the well-known Western honey bee , Apis mellifera .