All of the molluscs listed here except snails are edible. (Escargots are not so popular in Japan.)
ha ma gu ri
a sa ri
For your interest: This is the most popular shellfish in Japan.
si zi mi
For your interest: Corbicula are small shellfish often used for miso soup.
ho ta te
Note: This word has a different accent from persimmon.
The five words above are all かい /ka' i/ "kai" (shellfish).
ka ta tu mu ri
Japanese has many words for むし "musi" (insect) because an insect's sound is as evaluated as a bird's song. There are not always good English translations.
ka bu to mu si
beetle (found in forests)
Note: This word is used only for beetles with a big horn found in forests. It is the combination of かぶと "kabuto" (warrior's helm) and むし "musi" (insect). The English word beetle has a much wider meaning.
ku wa ga ta
For your interest: かぶとむし "kabutomusi" and くわがた "kuwagata" are so evaluated as pets in Japan that one beetle can cost 50,000 yen.
kô ro gi
ki ri gi ri su
a kind of grasshopper
For your interest: Cicadas are very common in the summer in Japan. There are many kinds of cicada such as あぶらぜみ "aburazemi", みんみんぜみ "minminzemi", ひぐらし "higurasi", and つくつくぼうし "tukutukubôsi". Most Japanese people can distinguish them by hearing their sound.
Note: The word ちょうちょ "tyôtyo" also means butterfly. It is better when you want to avoid confusion with the word for intestines.
to n bo