A generic key to the known larval Elmidae (Insecta: Coleoptera) of French Guiana

An identification key is provided for 21 larval types of Elmidae (riffle beetles) known to occur in French Guiana. Not all elmid genera known to occur in French Guiana are known in the larval stage. Nor are all the known larval types assigned to known elmid genera.

Key-Words.
Biodiversity; Identification; Immatures; Neotropical; Survey

Authorship

William D. Shepard

University of California Berkeley, Essig Museum of Entomology. Berkeley, California, United States. E-mail: William.Shepard@CSUS.edu (corresponding author)University of California BerkeleyUnited StatesBerkeley, California, United StatesUniversity of California Berkeley, Essig Museum of Entomology. Berkeley, California, United States. E-mail: William.Shepard@CSUS.edu (corresponding author)

http://orcid.org/0000-0003-4664-2597

Simon Clavier

ONIKHA. Kourou, French Guiana. E-mail: clavier.simon@gmail.comONIKHAFrench GuianaKourou, French GuianaONIKHA. Kourou, French Guiana. E-mail: clavier.simon@gmail.com

http://orcid.org/0000-0001-7964-1131

Axel Cerdan

Laboratoire EDB (UMR 5174: CNRS, Université Toulouse 3 Paul Sabatier, IRD), Université Paul Sabatier. Toulouse, FranceUniversité Toulouse 3 Paul SabatierFranceToulouse, FranceLaboratoire EDB (UMR 5174: CNRS, Université Toulouse 3 Paul Sabatier, IRD), Université Paul Sabatier. Toulouse, France

CNRS, UMR EcoFog (AgroParisTech, CIRAD, INRA, Université des Antilles, Université de Guyane), Kourou Cedex, France. E-mail: Axel.Cerdan@ecofog.frUniversité de GuyaneFranceFranceCNRS, UMR EcoFog (AgroParisTech, CIRAD, INRA, Université des Antilles, Université de Guyane), Kourou Cedex, France. E-mail: Axel.Cerdan@ecofog.fr

http://orcid.org/0000-0002-5195-3720

AUTHOR CONTRIBUTIONS William D. Shepard collected specimens in the field, identified larvae and wrote the text. Simon Clavier suggested the topic, arranged collecting expeditions, collected specimens in the field, identified specimens and produced many of the photographs. Axel Cerdan collected specimens in the field, identified specimens and produced many of the photographs.

DISCLOSURE STATEMENT No potential conflicts of interest are reported by the authors.

SCIMAGO INSTITUTIONS RANKINGS

ONIKHA. Kourou, French Guiana. E-mail: clavier.simon@gmail.comONIKHAFrench GuianaKourou, French GuianaONIKHA. Kourou, French Guiana. E-mail: clavier.simon@gmail.com

Figures

Figures (4)

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Figures 1-6
Larval habitus (dorsal, lateral, ventral). (1) Phanocerus Sharp; (2) Cylloepus Erichson; (3) Larva V; (4) Austrolimnius Carter & Zeck; (5) Neolimnius Hinton; (6) Larva W. Scale bars = 1 mm.

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Figures 7-13
Larval habitus. (7) Larva Z, dorsal, lateral, ventral; (8) Stenhelmoides Grouvelle, dorsal, lateral, ventral; (9) Stenhelmoides Grouvelle, head and thorax, dorsal; (10) Potamophilops Grouvelle, dorsal, ventral; (11) Elachistelmis Maier, dorsal, lateral; (12) Xenelmis Hinton, dorsal, lateral, ventral; (13) Stegoelmis Hinton, dorsal, lateral, ventral. Scale bars = 1 mm.

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Figures 14-19
Larval habitus (dorsal, lateral, ventral). (14) Gyrelmis Hinton; (15) Hexacylloepus Hinton; (16) Neoelmis Musgrave; (17) Heterelmis Sharp; (18) Microcylloepus Hinton; (19) Macrelmis Motschulsky. Scale bars = 1 mm.

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Figures 20-22
Larval habitus (dorsal, lateral, ventral). (20) Hintonelmis Spangler; (21) Larva Y; (22) Larva X. Scale bars = 1 mm.

Figures 1-6 Larval habitus (dorsal, lateral, ventral). (1) Phanocerus Sharp; (2) Cylloepus Erichson; (3) Larva V; (4) Austrolimnius Carter & Zeck; (5) Neolimnius Hinton; (6) Larva W. Scale bars = 1 mm.

Figures 7-13 Larval habitus. (7) Larva Z, dorsal, lateral, ventral; (8) Stenhelmoides Grouvelle, dorsal, lateral, ventral; (9) Stenhelmoides Grouvelle, head and thorax, dorsal; (10) Potamophilops Grouvelle, dorsal, ventral; (11) Elachistelmis Maier, dorsal, lateral; (12) Xenelmis Hinton, dorsal, lateral, ventral; (13) Stegoelmis Hinton, dorsal, lateral, ventral. Scale bars = 1 mm.

Figures 14-19 Larval habitus (dorsal, lateral, ventral). (14) Gyrelmis Hinton; (15) Hexacylloepus Hinton; (16) Neoelmis Musgrave; (17) Heterelmis Sharp; (18) Microcylloepus Hinton; (19) Macrelmis Motschulsky. Scale bars = 1 mm.

Figures 20-22 Larval habitus (dorsal, lateral, ventral). (20) Hintonelmis Spangler; (21) Larva Y; (22) Larva X. Scale bars = 1 mm.

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A generic key to the known larval Elmidae (Insecta: Coleoptera) of French Guiana

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[1] AUTHOR CONTRIBUTIONS William D. Shepard collected specimens in the field, identified larvae and wrote the text. Simon Clavier suggested the topic, arranged collecting expeditions, collected specimens in the field, identified specimens and produced many of the photographs. Axel Cerdan collected specimens in the field, identified specimens and produced many of the photographs.