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. 2020 Aug 27;13:432. doi: 10.1186/s13071-020-04266-0

Fig. 3.

Fig. 3

SEM images (ventral view) of male reference R. decoloratus and R. australis showing some characteristic morphological features a Upper anterior body of R. decoloratus (Kenya). Block pointed arrow shows coxa I anterior spur. Clear arrows show coxa I posterior spurs which are usually distinct and short in males. b Posterior body of R. decoloratus. White arrows show long distinct adenal plate spurs that are normally visible dorsally. The clear white arrow shows the caudal appendage which is long and visible dorsally. c Complete body of R. australis (Australia). Block pointed arrow shows coxa I anterior spur which is usually long and visible dorsally. Clear arrows show coxa I posterior spurs which are distinct and long in males. Black arrows show short indistinct adenal plate spurs which are not visible dorsally. The clear white arrow shows the caudal appendage which is usually short and narrow