Morphology of the gnathosoma ofAcarapis woodi(Acari: Acarapidae)

Autor:	William A. Bruce, John B. Kethley
Rok vydání:	1993
Předmět:	Gnathosoma Morphology (linguistics) biology Pyemotes tritici Insect Science Acari Anatomy Acarapis woodi biology.organism_classification Process (anatomy) Arthropod mouthparts Stylet
Zdroj:	International Journal of Acarology. 19:243-247
ISSN:	1945-3892 0164-7954
DOI:	10.1080/01647959308683550
Popis:	The cheliceral stylets oiAcarapis woodi (Rennie) were studied using scanning electron microscopy (SEM). Capable of independent motion, the styliform cheliceral digits are grooved medially along their entire length and can be brought tightly together forming a tube-like structure. In addition, an unpaired structure was observed fitted along the stylet groove in a manner similar to that described previously for Pyemotes tritici (Bruce et al. 1993). It is not apparent that this structure is retractable and it may or may not function in the feeding process. The unpaired structure is homologized with the labrum and, while the morphological similarities of the mouthparts of P. tritici and A woodi are obvious, it is unclear as to whether or not it functions in precisely the same way in both species.
Databáze:	OpenAIRE
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