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FIGURES 36–38, 40, 41 in Ancyronyx reticulatus and A. pulcherrimus, two new riffle beetle species from Borneo, and discussion about elmid plastron structures (Coleoptera: Elmidae)

FIGURES 36–38, 40, 41. Ancyronyx pulcherrimus: 36) aedeagus, ventral view; 37) same, dorsal view; 41) same, lateral view; 38) male sternite IX; 40) ovipositor, ventral view. FIGURE 39. A. reticulatus, ovipositor, ventral view. Scale bar 0.1 mm.

FIGURES 23–28 in Ancyronyx reticulatus and A. pulcherrimus, two new riffle beetle species from Borneo, and discussion about elmid plastron structures (Coleoptera: Elmidae)

FIGURES 23–28. Ancyronyx reticulatus, female: 23) head, pronotum and fore leg with secretions/encrustations on coxa, femur, anterolateral portion of pronotum and near base of mandible, lateral view; 24) enlarged view of area indicated on previous figure showing dense plastron microstructures in cracks of encrustations/secretions (black arrows); 25) base of hind leg, ventrite 1 and part of epipleuron and elytron, lateral view; 26) enlarged view of area indicated on previous figure showing presumed plastron structures, El: elytron, EP: epipleuron, V1: anterolateral portion of ventrite 1; 27) enlarged surface showing dense cuticular microstructures and shiny granules with setae; 28) cuticular microstructures on anterolateral portion of ventrite 2.

FIGURES 14–22 in Ancyronyx reticulatus and A. pulcherrimus, two new riffle beetle species from Borneo, and discussion about elmid plastron structures (Coleoptera: Elmidae)

FIGURES 14–22. Ancyronyx reticulatus, female: 14) posteromesal portion of metaventrite with discrimen, surface finely reticulate, ventral view; 15) anterior portion of right elytron and scutellum, dorsal view; 16) elytral sculpture with microreticulation; shiny granules (setae abraded) and puncture, dorsal view; 17) metafemur, dorsal view; 18) femoral microsculptures, dorsal view; 19) hind claws, ventrolateral view; 20) ventrites 1–3, ventral view; 21) lateral portions of ventrites 1–2 showing deep large punctures, cordiform setose granules and secretions/encrustations, ventrolateral view; 22) enlarged view of area indicated on previous figure.

FIGURES 5–13 in Ancyronyx reticulatus and A. pulcherrimus, two new riffle beetle species from Borneo, and discussion about elmid plastron structures (Coleoptera: Elmidae)

FIGURES 5–13. Ancyronyx reticulatus, female: 5) head and pronotum, dorsolateral view; 6) reticulate surface and elongate granules on head, dorsolateral view; 7) pronotum, detail of reticulate and punctate surface on anterior portion, dorsolateral view; 8) head and anterior portion of prothorax, showing gular sutures, ventrolateral view; 9) enlarged view of area indicated on previous figure showing cuticular sculpture on gena possibly associated with plastron; 10) head, prothorax, procoxa and part of mesoventrite, ventral view; 11) prosternum, mesoventrite and part of metaventrite, ventral view; 12) prosternal sculpture with more or less cordiform granules and irregular deep punctures, ventral view; 13) thorax and anterior ventrites, ventral view.

FIGURES 31–32, 34 in Ancyronyx reticulatus and A. pulcherrimus, two new riffle beetle species from Borneo, and discussion about elmid plastron structures (Coleoptera: Elmidae)

FIGURES 31–32, 34. Ancyronyx reticulatus: 31) aedeagus with endophallus extruded, dorsal view; 32) aedeagus, lateral view; 34) same, ventral view. FIGURES 33, 35. A. helgeschneideri: 33) aedeagus, lateral view; 35) same, ventral view. Scale bar 0.1 mm.

FIGURES 29–30 in Ancyronyx reticulatus and A. pulcherrimus, two new riffle beetle species from Borneo, and discussion about elmid plastron structures (Coleoptera: Elmidae)

FIGURES 29–30. Habitats of Ancyronyx reticulatus: 29) type locality, tributary of Kuamut river near Kampung Pisang Pisang; 30) shaded stream in primary forest, tributary of Kuamut river.

FIGURES 1–4 in Ancyronyx reticulatus and A. pulcherrimus, two new riffle beetle species from Borneo, and discussion about elmid plastron structures (Coleoptera: Elmidae)

FIGURES 1–4. Dorsal habitus of 1) Ancyronyx reticulatus, male, holotype; 2) A. reticulatus, female, paratype; 3) A. helgeschneideri, male, paratype; 4) A. pulcherrimus, male, paratype. Scale bar 0.5 mm.

opennotspecifiedApr 2012View details →

Fig. 1 in A general definition of the term "plastron" in terrestrial and aquatic arthropods

Fig. 1 Different aspects of the epicuticular structure of selected collembolan species. (a–c1) Entomobrya muscorum (Nicolet, 1842) (Arthropleona: Entomobryidae): Habitus dorsal (a), lateral (b) and the typical hexagonal microtubercle structure of the furca (c1). (c2) Arthropleona (©Borensztajn 2001): Higher resolution (bar 1 μm) of the hexagonal microtubercle structure (note the occasional pentagonal and septagonal aberrations). d–f Tetrodontophora bielanensis (Waga, 1842) (Arthropleona: Onychiuridae): Habitus dorsal (d), lateral (e) and formation of thoracal macrotubercles that are generated from fused tetragonal microtubercle structures (f). g–i Allacma fusca (Linnaeus, 1758) (Symphypleona: Sminthuridae): Habitus dorsal (g), lateral (h) and fusion of the abdominal hexagonal microtubercles to protuberances (i)

opennotspecifiedDec 2015View details →

Figs. 29–34. Typhloelmis sanfelipe, plastron. 29 in TyphloelmisBarr (Coleoptera: Elmidae: Elminae), a New Stygobiontic Riffle Beetle Genus with Three New Species from Texas, USA

Figs. 29–34. Typhloelmis sanfelipe, plastron. 29) Elytra, 164X; 30) Scutellum, 1,700X; 31) Elytral suture, 2,420X;

opennotspecifiedDec 2015View details →

Figs. 35–36. Typhloelmis sanfelipe, plastron. 35 in TyphloelmisBarr (Coleoptera: Elmidae: Elminae), a New Stygobiontic Riffle Beetle Genus with Three New Species from Texas, USA

Figs. 35–36. Typhloelmis sanfelipe, plastron. 35) Elytron, abraded area, 4,380X; 36) Elytron, abraded area and plastron structure, 10,000X.

Figure 12a from: Davis D, Landry J (2012) A review of the North American genus Epimartyria (Lepidoptera, Micropterigidae) with a discussion of the larval plastron. ZooKeys 183: 37-83. https://doi.org/10.3897/zookeys.183.2556

Figure 12a - Neighbour-joining tree of genetic distances (K2P model) for cytochrome c oxidase I (COI) in species of Epimartyria (total = 44 specimens). End-branch labels are specimen Sample IDs followed by the geographic area in parentheses: BC = British Columbia; CA = California; MI = Michigan; QC = Quebec; TN = Tennessee; WA = Washington. Sequence lengths are 658bp unless otherwise indicated (xn in square brackets indicates the number of ambiguous positions). Distinct haplotypes are designated by a capital letter and digit.

Figures 60-63 from: Davis D, Landry J (2012) A review of the North American genus Epimartyria (Lepidoptera, Micropterigidae) with a discussion of the larval plastron. ZooKeys 183: 37-83. https://doi.org/10.3897/zookeys.183.2556

Figures 60-63 - Neomicropteryx nipponensis, larval morphology 60 Plastron from lateral surface of abdomen with numerous, irregular micropapillae (10 µm) 61 Detail of Fig. 55 showing parallel rows of microtubercules extending between micropapillae (0.5 µm) 62 View looking down on microtubules in fig. 61 showing cuticular openings between rows (0.5 µm) 63 Head, anterior view (100 µm). (Scale lengths in parentheses).

Figures 10-11 from: Davis D, Landry J (2012) A review of the North American genus Epimartyria (Lepidoptera, Micropterigidae) with a discussion of the larval plastron. ZooKeys 183: 37-83. https://doi.org/10.3897/zookeys.183.2556

Figures 10-11 - Habitats of Epimartyria 10 Swampy forest at Lac Brûlé, Quebec where larvae and numerous adults of Epimartyria auricrinella were collected 11 Douglas fir forest where adults of Epimartyria bimaculella were observed swarming around the ferns (photo by Zeller-Lukashort).

Figures 46-51 from: Davis D, Landry J (2012) A review of the North American genus Epimartyria (Lepidoptera, Micropterigidae) with a discussion of the larval plastron. ZooKeys 183: 37-83. https://doi.org/10.3897/zookeys.183.2556

Figures 46-51 - Epimartyria auricrinella, larval morphology 46 Apical sensilla of maxillary palpus (5 µm) 47 Labial palpi and opening of labial salivary gland (100 µm) 48 Thoracic legs (arrow: tactile vesicle of coxa) (200 µm) 49 Mesothoracic leg (arrow: tactile vesicle of coxa) (25 µm) 50 Abdominal prolegs, segments 1–2 (100 µm) 51 Anal prolegs (100 µm). (Scale lengths in parentheses).

Figure 32 from: Davis D, Landry J (2012) A review of the North American genus Epimartyria (Lepidoptera, Micropterigidae) with a discussion of the larval plastron. ZooKeys 183: 37-83. https://doi.org/10.3897/zookeys.183.2556

Figure 32 - Distribution of Epimartyria species. Alphanumeric designations refer to haplotypes shown in the haplotype network of Fig. 12c.

Figures 18-23 from: Davis D, Landry J (2012) A review of the North American genus Epimartyria (Lepidoptera, Micropterigidae) with a discussion of the larval plastron. ZooKeys 183: 37-83. https://doi.org/10.3897/zookeys.183.2556

Figures 18-23 - Epimartyria auricrinella, Adultmorphology 18 Flagellomeres with ascoid sensilla (20 µm) 19 Flagellomere with multiporus sensillum placodeum (20 µm) 20 Detail of multiporus sensillum placodeum in Fig. 19 (2 µm) 21 Apical segment of labial palpus with distal organ vom Rath (20 µm). 22 Sensilla of organ vom Rath (2 µm) 23 Mesothorcic pretarsus (20 µm). (Scale lengths in parentheses).

Figures 74-80 from: Davis D, Landry J (2012) A review of the North American genus Epimartyria (Lepidoptera, Micropterigidae) with a discussion of the larval plastron. ZooKeys 183: 37-83. https://doi.org/10.3897/zookeys.183.2556

Figures 74-80 - Epimartyria auricrinella, Genitalic morphology 74–78 Male, USNM slides 16615, 34372 74 Genital capsule, ventral view (0.5 mm); J: juxta (medial plate) 75 Sternum X (gnathos) 76 Aedeagus (G: gonopore (phallotreme) 77 Genital capsule, lateral view (Un: uncus, (tergum X) 78a Valva, lateral view, inner side (BP: basal process), slide USNM, 34372, Ottawa, Ontario 78b slide MIC5762, Lac Brûlé, Quebec 78c slide MIC5764, Wilderness State Park, Michigan 78d slide MIC5761, Lac Brûlé, Quebec 79–80 Female, USNM slide 17501, Mt. Albert, Quebec 79 Oviscape, lateral view (Ut: utriculus) (0.5 mm) 80 Genital sclerite, ventral view. (Scale lengths in parentheses).

Figures 13-17 from: Davis D, Landry J (2012) A review of the North American genus Epimartyria (Lepidoptera, Micropterigidae) with a discussion of the larval plastron. ZooKeys 183: 37-83. https://doi.org/10.3897/zookeys.183.2556

Figures 13-17 - Epimartyria pardella, Adult morphology 13 Head (cl: clypeus; ga: galea; la: labrum; md: mandible) (0.5 mm) 14 Head, ventral view ( pp: proximal prelabium; dp: distal prelabium; lp: labial palpus) 15 right mandible 16 Wing venation, USNM slide 16613. 17 Legs (1.0 mm). (Scale lengths in parentheses).