List: word usually written using kana alone

usually written using kana alone  noun  noun (generic) 

• horned dung beetle (Copris ochus)

usually written using kana alone  noun  noun (generic) 

• flower chafer (any flower beetle of tribe Cetoniini)
• Eucetonia pilifera (flower chafer species of tribe Cetoniini)

usually written using kana alone  noun  noun (generic) 

• dor beetle (of family Geotrupidae)
• Geotrupes laevistriatus (species of dor beetle)

usually written using kana alone  noun  noun (generic) 

• European tortoise, Greek tortoise (Testudo graeca)

rarely used kanji form  usually written using kana alone  noun  noun (generic) 

• Erabu black-banded sea krait (Laticauda semifasciata)

usually written using kana alone  noun  noun (generic) 

• Erabu black-banded sea krait (Laticauda semifasciata)

rarely used kanji form  usually written using kana alone  noun  noun (generic)  archaic 

• ground beetle, carabid (esp. of subfamily Carabinae)
• millipede

rarely used kanji form  usually written using kana alone  noun  noun (generic) 

• ground beetle, carabid (esp. of superfamily Caraboidea, but excluding subfamily Carabinae)
• Anisodactylus signatus (species of ground beetle)

search-only kana form  ateji  usually written using kana alone  expression 

• I love you

usually written using kana alone  noun  noun (generic) 

• cucurbit leaf beetle (Aulacophora femoralis)