The larval head morphology of Xyela sp. (Xyelidae, Hymenoptera) and its phylogenetic implications

@inproceedings{Beutel2008TheLH,
  title={The larval head morphology of Xyela sp. (Xyelidae, Hymenoptera) and its phylogenetic implications},
  author={Rolf Georg Beutel and Lars Krogmann and Lars Vilhelmsen},
  year={2008}
}
Larval head structures of Xyela sp. are described in detail. The characters are compared to conditions found in larvae of other groups of Hymenoptera and Endopterygota. Like other symphytan larvae the immature stages of Xyelidae are mainly characterized by presumably plesiomorphic features of the head. The head sutures are well developed and all parts of the tentorium are present. The labrum is free and a complete set of labral muscles is present. The maxillae are in a retracted position. In… CONTINUE READING
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