Pholcus phalangioides, a spider of the family Pholcidae.
dragonfly
noun
An insect of the suborder Epiprocta or, more strictly, the infraorder Anisoptera, having four long transparent wings held perpendicular to a long body when perched.
How often have the words cellar spider and dragonfly occurred in a corpus of books? (source: Google Ngram Viewer )