よろい土竜 もぐら蜚蠊でしょう
yoroimoguradeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 鎧土竜蜚蠊

1. Probably an armored mole cricket.; Probably a cockroach.

Polite
Presumptive
Conjecture