ThunderBird said: What DO you call those things that translate as "snow insects" anyway?
"Snow aphids"? Strictly speaking 「雪虫」 refers to the species Prociphilus oriens, but there's no common name for it (in English) other than the catch-all term "aphids" that is also used to refer to most other species in the genus Prociphilus.
I went ahead and changed the TL notes. Hope you don't mind.
Awww...
I don't know where the snow aphids are...Aah!The snow aphids will tell you where winter will visit.
Prociphilus oriens. Link to a Japanese article."Winter's Reminders"Okay, Cirno-chan?But, but, buuuut~
Where is winter?Stp stp