Plectonotum
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publication ID |
https://doi.org/ 10.11606/1807-0205/2020.60.special-issue.34 |
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publication LSID |
lsid:zoobank.org:pub:27019209-D6C3-47EA-8B16-213EC117A891 |
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persistent identifier |
https://treatment.plazi.org/id/03BD8143-FF96-DA2D-FE5B-B65AFA17FC67 |
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treatment provided by |
Carolina |
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scientific name |
Plectonotum |
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Key to the Peruvian species of Plectonotum
1. Length over 6.0mm.Body narrow,either uniform black or with pale yellow patches in pronotum and elytra.Head and pronotum thinly and coarsely punctate. Elytra subseriately punctate ( Fig.13 View Figures 9-16 ) .............................................................................................................................................. P.longissimum ( Pic, 1927)
— Length under 5.0 mm. Other characters different.....................................................................................................................................................................2
2. Pronotum orangish-red or partly yellow................................................................................................................................................................................... 3
— Pronotum brown or black.......................................................................................................................................................................................................... 6
3. Pronotum orangish-red............................................................................................................................................................................................................. 4
— Pronotum brown or orange-yellow,with brown or yellow strip................................................................................................................................................ 5
4. Pronotal bead narrow ( Fig.42 View Figures 36-46 ).Frons depressed between the eyes........................................................................................................... P.rubrithorax sp.nov.
— Pronotal bead wide ( Fig.39 View Figures 36-46 ). Frons feebly convex between the eyes..................................................................................................... P.neoruficolle nom.nov.
5. Pronotum orange-yellow with a wide median brown strip from front to rear edges ( Fig. 30 View Figures 24-35 ).............................................................. P.howdeni Wittmer,1988
— Pronotum brown with a wide transverse yellow strip on the basal third ( Fig.26 View Figures 24-35 )...................................................................................... P.bicoloricolle sp.nov.
6. Legs partly brown,the femora and base of tibiae yellow.Clypeus yellow................................................................................................................................. 7
— Legs brown or black.Clypeus usually dark ................................................................................................................................................................................ 9
7. Lateral margins of the pronotum straight in the middle part,the bead short and narrow.Antennae brownish yellow.Length 3.8 mm ..... P.inca Wittmer,1988
— Lateral margins of the pronotum regularly rounded,the bead narrow.Antennae brown,the first two antennomeres partly yellow .......................................8
8. Head and pronotum thinly punctate ( Fig.40 View Figures 36-46 ). Pronotal bead narrow,long,reaching the front corners.Length 3.6-4.7 mm ...................... P.oxapampa sp.nov.
— Head and pronotum not punctate ( Fig. 37 View Figures 36-46 ).Pronotal bead thicker,narrowed before the front corners.Length 3.6 mm .................................. P.luteipes sp.nov.
9. Head black,the clypeus and frons before the antennal sockets entirely or partly yellow ........................................................................................................ 10
— Head usually throughout rufous brown or black ..................................................................................................................................................................... 12
10. Pronotum glossy,without visible punctation ( Fig. 38 View Figures 36-46 ).Pronotal bead short and narrow ................................................................... P.martinezi Wittmer,1988
— Pronotum feebly shiny,thinly punctate .................................................................................................................................................................................. 11
11. Lateral margins of the pronotum nearly straight,slightly convergent ( Fig.43 View Figures 36-46 ).Pronotal bead narrow,not basally wider.Males:antennae as long as the elytra. Length 3.6-4.1 mm ............................................................................................................................................................................. P.shipasbamba sp.nov.
— Lateral margins of the pronotum slightly rounded and convergent ( Fig. 24 View Figures 24-35 ). Pronotal bead apically narrow,basally wider. Males: antennae shorter than the elytra.Head and pronotum often microreticulate.Females:epipleura pale yellow ................................................................................... P.altomayo sp.nov.
12. Elytra strongly punctate..........................................................................................................................................................................................................13
— Elytra shallowly punctate........................................................................................................................................................................................................19
13. Elytral punctation irregularly disposed.................................................................................................................................................................................... 14
— Elytral punctation seriately or subseriately aligned.................................................................................................................................................................16
14. Pronotal bead long and narrow ( Fig.31 View Figures 24-35 ). Elytra rather short,2.4 times longer than combined width at the base.Female apterous.Length under 3.0 mm ...... ................................................................................................................................................................................................................... P.huariaca sp.nov.
— Pronotal bead shorter and wider.Length over 3.0 mm ...........................................................................................................................................................15
15. Pronotal bead narrowing apically ( Fig.33 View Figures 24-35 ). Head uniform black.................................................................................................................... P.huertoae sp.nov.
— Pronotal bead as wide apically as basally ( Fig.35 View Figures 24-35 ). Clypeus rufous or brown.Length 3.9-4.5 mm ........................................................... P.leymebamba sp.nov.
16. Pronotum strongly (male) or slightly (female) wider than base of elytra,convex,strongly and densely punctate ( Fig.28 View Figures 24-35 ).Tibiae rufous.Length 3.0- 3.7 mm .. .................................................................................................................................................................................................................... P.celendin sp.nov.
— Pronotum not wider than base of elytra.................................................................................................................................................................................. 17
17. Pronotal bead rounded,medially dilated,narrowing apically and basally ( Fig.29 View Figures 24-35 )............................................................................................ P.costae sp.nov.
— Pronotal bead straight and narrow ......................................................................................................................................................................................... 18
18. Pronotal disc medially depressed,densely and strongly punctate ( Fig.25 View Figures 24-35 ). Elytra elongate.Length over 4.0 mm....................................... P.amazonas sp.nov.
— Pronotal disc convex,thinly punctate ( Fig. 32 View Figures 24-35 ).Elytra shorter.Length 3.0- 4.1mm ...................................................................................... P.huascaran sp.nov.
19. Pronotal disc convex,microreticulate,thinly and densely punctate ( Fig. 41 View Figures 36-46 ). Head, pronotum and elytra black. Males: antennae shorter than the combined length of pronotum and elytra...................................................................................................................................................... P.peruanum Wittmer,1967
— Pronotal disc feebly convex,glossy,thinly and less densely punctate ( Fig.27 View Figures 24-35 ).Head black.Pronotum and elytra reddish brown.Males:antennae elongate,as long as the combined length of pronotum and elytra ................................................................................................................................... P.carpish sp.nov.
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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