Tenebrionidae
Definition of Tenebrionidae
: a large family of heteromerous firm-bodied mostly dark-colored vegetable-feeding beetles especially characteristic of arid regions and often with the hind wings vestigial and functionless and with larvae that are usually hard cylindrical worms — see darkling beetle, mealworm
From the M-W Editors
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Origin and Etymology of tenebrionidae
New Latin, from Tenebrion-, Tenebrio, type genus (from Latin, one who shuns light, from tenebrae darkness) + -idae
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