herpetomonas

noun

her·​pe·​tom·​o·​nas ˌhər-pə-ˈtäm-ə-nəs  -ˌnas 

1

capitalized : a genus of flagellates of the family Trypanosomatidae morphologically similar to the genus Trypanosoma but exclusively parasites of the gut of insects

2

: any flagellate of the genus Herpetomonas

also : any member of the family Trypanosomatidae that appears to have two flagella due to precocious duplication of the locomotor apparatus