Lesbophobia is the fear or hatred of lesbians. The reason why they might hate lesbians/sapphic people depends on person. Some may hate only few types of lesbians, some might hate all wlw/nblw people. It might count also as homophobia, even though some people only experience fear towards lesbians. It is a umbrella term for Sapphophobic people.
Lesbphobia comes in many ways, such as making fun of lesbians for being lesbians, baiting lesbians into sex with men/masculine alined non binary people, hunting/hurting lesbians for being lesbians appropriation of lesbian culture, saying men can be lesbians and such (Lesboy)