Platynectes bakewelli, (Clark, 1863)

Alarie, Yves, Michat, Mariano C., Short, Andrew E. Z. & Watts, Chris H. S., 2024, Larval ground plan of Platynectes Régimbart, 1879 reconsidered: description of the larvae of three species with phylogenetic considerations (Coleoptera: Adephaga, Dytiscidae), Zootaxa 5458 (3), pp. 301-331 : 311

publication ID

https://doi.org/ 10.11646/zootaxa.5458.3.1

publication LSID

lsid:zoobank.org:pub:730298E6-ECD7-4F03-9030-7A5E8F3E7272

DOI

https://doi.org/10.5281/zenodo.11547427

persistent identifier

https://treatment.plazi.org/id/03999B57-FF83-FFB8-FF0D-F94F8D30FEC9

treatment provided by

Plazi

scientific name

Platynectes bakewelli
status

 

P. bakewelli ( Clark, 1863) View in CoL

Source of material. The larvae studied were collected in association with adults at the following locality: Tasmania: 5 Km SE Gormanston, 3.x.2002, leg. C.H.S.Watts.

Diagnosis. With the exception of P. agallithoplotes whose larva remains easily recognizable for the reasons mentioned above, the larva of P. bakewelli is more likely to be confused with those of either P. curtulus , P. davidorum , P. decemnotatus , or P. reticulosus of which it can easily be identified by the combination of following characters: frontoclypeus at level of adnasalia ( Figs 26 View FIGURES 26–34 , 40 View FIGURES 40–43 ), presence of four lamellae clypeales (instar I) ( Fig. 26 View FIGURES 26–34 ), presence of an occipital suture (instars II–III) ( Fig. 40 View FIGURES 40–43 ), A/MP <1.50, A3’ not protruding, hole-like ( Fig. 29 View FIGURES 26–34 ), galea (instar III) <0.40 times length of maxillary palpomere 1, prementum lacking an additional seta dorsally ( Fig. 33 View FIGURES 26–34 ), primary setae LA3, LA4, LA5, LA8 minute ( Fig. 33 View FIGURES 26–34 ), primary seta LA10 inserted at about same level as seta LA11 ( Fig. 33 View FIGURES 26–34 ), primary seta TA1 inserted distally ( Fig. 36 View FIGURES 35–39 ), primary setae CO7 and CO10 elongate, much longer than either seta CO4 or CO5 ( Fig. 35 View FIGURES 35–39 ), absence of secondary dorsal spine-like setae on femur (instar III) ( Figs 42–43 View FIGURES 40–43 ), metatibia with spinulae along ventral margin ( Figs 42–43 View FIGURES 40–43 ), metathoracic legs (instar III) 2.50–3.40 times as long as HW, primary setae AB8 and AB14 spiniform ( Fig. 37 View FIGURES 35–39 ), and urogomphus lacking secondary setae ( Fig. 41 View FIGURES 40–43 ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Dytiscidae

Genus

Platynectes

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