Complex sentence: Ischnoceran lice found on the Chestnut-eared Aracari were first described as "Austrophilopterus cancellosus castanotus", but these parasites are actually indistinguishable from those on most other "Pteroglossus", and today united with them in "Austrophilopterus flavirostris".
Split into simpler sentences: Ischnoceran lice found on the Chestnut-eared Aracari were first described as "Austrophilopterus cancellosus castanotus". But these parasites are actually indistinguishable from those on most other "Pteroglossus", and today united with them in "Austrophilopterus flavirostris".