Lysapsus

{{Short description|Genus of amphibians}}

{{automatic taxobox

| image = Lysapsus limellum.jpg

| image_caption = Lysapsus limellum

| taxon = Lysapsus

| authority = Cope, 1862

| type_species = Lysapsus limellum

| type_species_authority = Cope, 1862

| diversity = 4 species (see text)

}}

Lysapsus is a genus of frogs in the family Hylidae found in South America east of the Andes. Their common name is harlequin frogs.{{cite web |url=http://research.amnh.org/vz/herpetology/amphibia/Amphibia/Anura/Hylidae/Hylinae/Lysapsus |title=Lysapsus Cope, 1862 |author=Frost, Darrel R. |year=2015 |work=Amphibian Species of the World: an Online Reference. Version 6.0 |publisher=American Museum of Natural History |accessdate=13 June 2015}}

Many frogs in Lysapsus have a paradoxical life cycle. They are most massive when they are older tadpoles and slightly smaller when they are adult frogs.{{BioRef|amphibiaweb

|title=Lysapsus limellum Cope, 1982: Uruguay harlequin frog

|author1=Emily Payne

|editor1=Ann T. Chang

|date=February 24, 2018

|language=

|url=https://amphibiaweb.org/species/5222

|access-date=September 21, 2022}}