Macroplea appendiculata ( Panzer, 1794 )
publication ID |
https://doi.org/ 10.5281/zenodo.278456 |
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https://doi.org/10.5281/zenodo.6184809 |
persistent identifier |
https://treatment.plazi.org/id/03A28793-FFB9-FFE2-FF4E-5701AAB80498 |
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Plazi |
scientific name |
Macroplea appendiculata ( Panzer, 1794 ) |
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Macroplea appendiculata ( Panzer, 1794) .
( Figs 50 View FIGURES 50 – 53 , 58 View FIGURES 54 – 59 , 62, 66 View FIGURES 60 – 67 , 70 View FIGURES 68 – 71 , 76–78 View FIGURES 76 – 78 , 90 View FIGURES 87 – 90 )
Specimens examined. Total 37 specimens: 21 males and 11 females, “ China, Xinjiang, Altay, Fuyun County, a branch of Ertix River, 47.02459°N, 89.75198°E ”/ “ 1332 m, 2009.7.11, day, Zhiliang Wang coll. Institute of Zoology”/ “Adult host plant: Potamogeton oxyphyllus ”; 1 female, “Alsace, I. Maquin ded.”, “ Macroplea appendiculata Panz. M. Daccordi , det. 1986”; 1 female, “Boh. Heyn VODŇANY ”; 2 females, no collecting data, “ Haemonia appendiculata Panz. ”.
Distribution. China (Xinjiang), Siberia, Middle Asia, Europe, northern Africa ( Algeria).
Host plants. Ranunculus L. ( Ranunculaceae ), Carex L. ( Cyperaceae ), Potamogeton L. ( Potamogetonaceae ), Myriophyllum L. ( Haloragaceae ) and Sparganium L. ( Sparganiaceae ) ( Bieńkowski & Orlova-Bieńkowskaja, 2004). Potamogeton oxyphyllus Miq. is now recorded as adult host plant, as observed by the collector of this species, Zhiliang Wang.
Remarks. This is the first report of M. appendiculata from China (Xinjiang). Specimens were collected from upper stream of Ertix River ( Fig. 90 View FIGURES 87 – 90 ).
In general, M. appendiculata differs from M. mutica by its longer spine at elytral outer apical angle, and second metatarsomere longer than first ( Medvedev, 2006). However, these characters were found to be highly variable. A few specimens of M. appendiculata from Xinjiang have relatively shorter spine, similar to those of M. mutica , and most specimens of M. mutica from Mongolia have second metatarsomere longer than first. Endophallic structures of the two species illustrated here are also similar ( Figs 77, 78 View FIGURES 76 – 78 , 81–83 View FIGURES 79 – 84 ). However, the shape of median lobe of aedeagus was found to be diagnostic and highly reliable in separating these two species. The median lobe of aedeagus is relatively robust with a denticle at apex in M. appendiculata ( Figs 77, 78 View FIGURES 76 – 78 ), while the same in M. mutica is relatively slender and gradually narrowed towards apex ( Figs 79, 80 View FIGURES 79 – 84 ) (also see Daccordi & Ruffo, 1978: Figs 2–5 View FIGURES 1 – 4 View FIGURES 5 – 20 ; Beenen & Winkelman, 1989: Figs 1–4 View FIGURES 1 – 4 ; Medvedev, 2006: Figs 7, 8 View FIGURES 5 – 20 ).
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