Walsh-1863
Guides
Lachesilla rufa
fateful barklouse
Lachesilla rufa is a species of barklouse in the family Lachesillidae, originally described by Walsh in 1863 as Psocus rufus. It is one of numerous species in the genus Lachesilla, which comprises small, often overlooked insects commonly known as barklice or booklice. The species is known from North America, though detailed biological information remains limited.
Myzocallis bella
Myzocallis bella is an aphid species in the family Aphididae, subfamily Calaphidinae, originally described by Walsh in 1863. The species has undergone taxonomic revision, with some sources listing it as a synonym of Lineomyzocallis bella, while others recognize it as valid under Myzocallis. As a member of the Myzocallidini tribe, it belongs to a group of aphids typically associated with woody host plants, particularly in the Fagaceae family.