人虱[hitojirami] Pediculus humanus (species of louse that infests humans)
頭虱[atamajirami] head louse (Pediculus humanus capitis)
虱潰し[shiramitsubushi] very thorough search (for contraband, escaped convict, etc.) (lit: crushing lice)
毛虱[kejirami] crab louse (Pthirus pubis)
虱潰しに[shiramitsubushini] one by one

羽虱[hajirami] biting louse (any louse of order Mallophaga)
虱目魚[sabahii] milkfish (Chanos chanos)
床虱[tokojirami] bedbug
衣虱[koromojirami] body louse (Pediculus humanus humanus)

五月蠅い[urusai] noisy
青蠅[kinbae] greenbottle fly (esp. species Lucilia caesar)
猩々蠅[shoujoubae] fruit fly (any insect of family Drosophilidae)
馬蠅[umabae] horse botfly (Gasterophilus intestinalis)
蠅取[haetori] catching flies

家蠅[iebae] housefly (Musca domestica)
蒼蠅[souyou] bluebottle fly
蠅地獄[haejigoku] Venus flytrap
蠅取草[haetorigusa] Venus flytrap