ˌ ̷ ̷ ̷ ̷ˈdīəˌdē noun plural
Usage: capitalized
Etymology: New Latin, from Raphidium, type genus (irregular from Greek rhaphid-, rhaphis needle + New Latin -ium ) + -idae — more at raphide
: a family of predatory insects (suborder Raphidiodea) remarkable for their long prothorax and elongate setiform ovipositor