Relating to or characteristic of chalcid wasps, their behavior, or their classification in the family Chalcididae.
From the family name 'Chalcididae' + '-ian' (relating to). Used in entomological classification and description.
Chalcidian wasps are so diverse and important that entomologists have entire sub-specialties devoted to them—there might be over 500,000 species we don't even know about yet!
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