lymphotropha lymphotropha lymphotropha is a genus of parasitic alveolates in the phylum apicomplexa. lymphotropha scientific classification domain: eukaryota (unranked): sar (unranked): alveolata phylum: apicomplexa class: conoidasida subclass: gregarinasina order: neogregarinorida family: schizocystidae genus: lymphotropha species lymphotropha tribolii history this genus was created by ashford in 1965. taxonomy there is one species in this genus. life cycle this genus infects the flour beetle tribolium castaneum. the sporozoites enter the host by the oral route, usually by ingestion of contaminated food but also by cannibalism of an infected host. infection with this genus increases larval mortality and interferes with normal development.