フクログモ
フ
ク
ロ
グ
モ
Meanings
1
sac spider (family Clubionidae)
usually written using kana alone
Refers to any spider of the family Clubionidae. A technical zoological term; in everyday contexts, people may simply say クモ.
Sac spiders are known for making sac-like nests on the undersides of leaves.
2
Atypus karschi (Asian mygalomorph spider)
usually written using kana alone
Specifically refers to the species Atypus karschi, a type of trapdoor spider. Cross-referenced with ジグモ, which is another name for a similar spider. This sense is distinct from the general sac spider meaning.
See also: ジグモ
Jigumo and fukurogumo are closely related, but are often treated as separate species.