Lachesilla
publication ID |
https://doi.org/ 10.11646/zootaxa.3915.4.3 |
publication LSID |
lsid:zoobank.org:pub:2AF12107-798E-47CC-9F99-86D02BE7C26A |
DOI |
https://doi.org/10.5281/zenodo.6109293 |
persistent identifier |
https://treatment.plazi.org/id/D60C8781-FFAE-676B-78E5-3B6A989AF81E |
treatment provided by |
Plazi |
scientific name |
Lachesilla |
status |
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Key to Lachesilla View in CoL species of the pedicularia group in which males have one clunial apophysis
1. Females............................................................................................ 2
-. Males............................................................................................. 6
2. Subgenital plate posteriorly rounded; ninth sternum anteriorly rounded, spermapore towards anterior margin................................................................ Lachesilla cesarcardonai García Aldrete, González & Saldaña View in CoL
-. Subgenital plate posteriorly bilobed; ninth sternum with a transverse pigmented area............................... 3
3. Subgenital plate and paraprocts broadly triangular; epiproct concave anteriorly; ninth sternum with broad pigmented area; spermapore small, towards anterior margin............................. Lachesilla asymmetriproctus García Aldrete View in CoL
-. Subgenital plate broad, with or without a pigmented area underlying the plate...................................... 4
4. Subgenital plate extended posteriorly; gonapophyses short and slender; ninth sternum narrow; epiproct concave anteriorly; without a pigmented area underlying the subgenital plate...................... Lachesilla convexicornis García Aldrete View in CoL
-. Subgenital plate with a broad, irregular pigmented area on each side of longitudinal midline ( Fig. 17 View FIGURES 13 − 19 ); epiproct with or without a pigmented basal area................................................................................. 5
5. Gonapophyses large; ninth sternum almost rectangular; epiproct almost straight anteriorly, uniformly pigmented; with an irregular pigmented area on each side of longitudinal midline, underlying the subgenital plate................................................................................................. Lachesilla macropudenda García Aldrete View in CoL
-. Gonapophyses large and slender; ninth sternum membranous, with two rounded, well sclerotized areas and with a narrow transverse band distally ( Fig. 18 View FIGURES 13 − 19 ); epiproct rounded posteriorly and concave anteriorly ( Fig. 19 View FIGURES 13 − 19 ) Lachesilla huitoto View in CoL n. sp.
6. Epiproct without apophyses; clunial apophysis short and stout; phallosome apodeme stout, branching distally, “Y” shaped..................................................................... Lachesilla macropudenda Garcia Aldrete View in CoL
-. Epiproct with two apophyses; phallosome apodeme “Y” or “T” shaped; claspers tips free or fused...................... 7
7. Phallosome apodeme “Y” shaped; claspers not fused distally; epiproctal apophyses almost straight and slender; clunial apophysis long, slender, apically pointed and considerably exceeding the distal margin of the epiproct.......................................................................... Lachesilla cesarcardonai García Aldrete, González & Saldaña View in CoL
-. Phallosome apodeme “T” shaped; claspers tips fused; clunial apophysis not exceeding the distal margin of the epiproct or shorter.............................................................................................. 8
8. Epiproctal apophyses strongly asymmetric; clunial apophysis stout, slightly curved and obtusely concave at apex, not exceeding the distal margin of the epiproct................................... Lachesilla asymmetriproctus García Aldrete View in CoL
-. Epiproctal apophyses symmetric; clunial apophysis variable................................................... 9
9. Epiproctal apophyses short, not extended or slightly extended beyond the base of the clunial apophysis................ 10
-. Epiproctal apophyses large considerably extended beyond the base of the clunial apophysis…....................... 12
10. Epiproctal apophyses forceps-like ( Fig. 4 View FIGURES 1 − 6 ), slightly extended beyond the base of the clunial apophysis; clunial apophysis long, slender and widened at the apex; claspers fused distally, forming a projection slightly bifurcated at apex ( Fig. 6 View FIGURES 1 − 6 )...................................................................................... Lachesilla putumayensis View in CoL n. sp.
-. Epiproctal apophyses not forceps-like, short and clunial apophysis short......................................... 11
11. Epiproct bilobed, apophyses, stout, slightly curved outward; clunial apophysis broad, stout, concave distally; claspers fused distally, forming a projection slightly bifurcated at apex....................... Lachesilla convexicornis García Aldrete View in CoL
-. Epiproct almost rectangular, apophyses broadly joined at base, deeply concave distally forming two acuminate arms bent outwards; clunial apophysis slender, straight at apex................................. Lachesilla williamsi García Aldrete View in CoL
12. Clunial apophysis slender, wider basally, with posterior margin truncate; claspers fused distally, forming a blunt projection; epiproct bilobed, with long, acuminate apophyses.............................. Lachesilla carpinteroi García Aldrete View in CoL
-. Clunial apophysis stout, broad; epiproct bilobed, with long, slender apophyses; claspers fused distally, forming a projection bifurcated or acuminate at apex........................................................................ 13
13. Claspers forming an acuminate projection; clunial apophysis almost as long as wide, with posterior margin straight; epiproctal apophyses long, curved, distally acuminate...................... Lachesilla ilama García Aldrete, González & Saldaña View in CoL
-. Claspers forming a projection bifurcated at apex ( Fig. 12 View FIGURES 7 − 12 ).; clunial apophysis longer than wide, with posterior margin straight ( Fig. 10 View FIGURES 7 − 12 ) or slightly concave ( Fig. 22 View FIGURES 20 − 22 ); epiproctal apophyses long, almost straight, curved at apex, with a short, broad spine on the inner margin of basal half ( Figs 10 View FIGURES 7 − 12 , 22 View FIGURES 20 − 22 ).............................................. Lachesilla huitoto View in CoL n. sp.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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