A Novel New Neotropical Nanocladius (Diptera: Chironomidae), Symphoretic on Traverella (Ephemeroptera: Leptophlebiidae)

J. H. Epler

Abstract


The pupa and larva of Nanocladius (Plecopteracoluthus) bubrachiatus sp. nov. (Diptera: Chironomidae) are described from Honduras. This species lives in symphoretic association with the leptophlebiid mayfly Traverella sp. This is the first record of a Nanocladius living in symphoretic association with a mayfly. The larva is unusual in that it possesses a premento-hypopharyngeal fulcrum with long dorsocaudally directed arms. A key is included for the immature stages of Nanocladius (Plecopteracoluthus).

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