Abstract
The family Psychodidae (Diptera: Nematocera) are small flies with short, hairy bodies and wings that give them a moth-like appearance. Mexican amber yield to date twelve fossil psychodid all from Oligocene-Miocene Simojovel deposits. This chapter describes a new fossil psychodine fly from Totolapa a recently rediscovered deposit. This fossil corresponds to the second species belonging to the fossil genus Succinarisemus . The chapter also provides palaeobiogeographical data of Succinarisemus totolapensis sp. n. along with images. Succinarisemus totolapensis sp. n. presents a lot of similar features with S. scheveni , but differs from the latter by its male genitalia structure and in its incomplete eyebridge. Finally it concludes that the discovery of the species in the Mexican amber indicates that this genus was spread and living in the central America-Caribbean area during the Oligo-Miocene and increases our knowledge about palaeobio-diversity of psychodids. Keywords:Diptera; Mexican amber; Nematocera; psychodid fly; Psychodidae; Succinarisemus totolapensis
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