Definitions
from The Century Dictionary.
- In Westwood's system of classification, one of the four prime divisions of Coleoptera, including those beetles in which the tarsi are five-jointed, but the fourth joint is minute and concealed between the lobes of the preceding.
from the GNU version of the Collaborative International Dictionary of English.
- noun plural (Zoöl.) A division of beetles having the fifth tarsal joint minute and obscure, so that there appear to be but four joints.
Etymologies
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Examples
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Arthrium: Coleoptera; the minute, concealed tarsal joint in pseudotetramera and trimera.
Explanation of Terms Used in Entomology John. B. Smith
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