Description of the pupa of "Diamesinae Genus P" Doughman, 1985 (Diptera: Chironomidae), with comments on habitat, distribution and further characterization of the larva
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Abstract
The pupal stage of “Diamesinae Genus P” Doughman, 1985 is described from specimens collected in northwest Georgia, USA. The pupa is recognized as Diamesinae by dorso- central thoracic setation with no prealar setae and lack of hooklets on tergite II. Also, the anal lobe has apical short tubercles and 3 hooked macrosetae with very distinctive apices. However, leg sheath arrangement differs slightly from described Diamesini with fore and mid leg sheaths directed laterally at the wing apex and frontal setae are lacking, but for now this is considered variation within the tribe. The strikingly unusual larva is recognized as Diamesinae by the annulate third antennal segment as well as characteristics of the premento-hyphoryngeal complex. The larva fits within Diamesini in the most recent keys of Holarctic genera. Currently known distribution, habitat and additional larval morphological details are noted.
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