Morphological ontogeny of Eubelba danubedeltaica sp. nov. (Acari, Oribatida, Damaeidae) and comments on Eubelba Miko
| Autor: | Stanisław Seniczak, Otilia Ivan, Vasiliy B. Kolesnikov, Sławomir Kaczmarek, Tomasz Marquardt, Anna Seniczak |
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| Rok vydání: | 2023 |
| Předmět: | |
| Zdroj: | Systematic and Applied Acarology. |
| ISSN: | 2056-6069 1362-1971 |
| Popis: | The morphological ontogeny of Eubelba danubedeltaica sp. nov. is described and illustrated. The adult of E. danubedeltaica is most similar to E. sculpta (Mihelčič, 1957) which differs from E. danubedeltaica by the presence of tubercle E2p, slightly longer seta c1 and leg IV, and thicker and clearly barbed epimeral, genital, aggenital and anal setae whereas in E. danubedeltaica tubercle E2p is absent and these setae are thinner and most are smooth, except for finely barbed genital and anal setae that are clearly visible at a high SEM magnification. In the juveniles of E. danubedeltaica, most prodorsal setae are of medium size, except for short seta in in the nymphs and very long setiform bothridial seta which are strongly curved in the distal part. Most gastronotal setae of juveniles are long, or very long, except for medium-sized c3, la, lm and h2, and short h3 in the larva, and medium-sized c3 and p2 in nymphs. The nymphs are quadrideficient and eupheredermous, i.e. they have lost the d-series setae and carry the exuvial scalps of previous instars using a cornicle located between setal pair h3. In all juveniles, the famulus ɛ on tarsus I is sunken but is emergent in the adult. Seta d accompanies solenidion σ on genua I–III and φ on tibiae II–IV. |
| Databáze: | OpenAIRE |
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