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opennotspecifiedDec 2005View details →

Fig. 2 in The Swimming Behavior of the Aquatic Larvae of the Firefly Luciola substriata (Coleoptera: Lampyridae)

Fig. 2. Patterns of leg movements when L. substriata larva are in back swimming mode. Large arrows indicate the direction of larval movement. Small arrows indicate the direction of leg movements.

opennotspecifiedDec 2005View details →

Fig. 1 in The Swimming Behavior of the Aquatic Larvae of the Firefly Luciola substriata (Coleoptera: Lampyridae)

Fig. 1. Back swimming behavior of L. substriata, final larvae. a) Swimming with ventral side up when searching for prey; b) turning in an anticlockwise direction. P, pygopodium.

Fig. 1 in Antennal Sensory Structures of Lissorhoptrus oryzophilus (Coleoptera: Curculionidae) with Notes on Aquatic Adaptations

Fig. 1. Scanning electron micrograph of right antenna of female Lissorhoptrus oryzophilus. Bar 5 100 microns. Hydrofuge scale (hsII), squamiform sensilla I (ssI). Club of antenna is pointing towards tip of rostrum.

Fig. 2 in Antennal Sensory Structures of Lissorhoptrus oryzophilus (Coleoptera: Curculionidae) with Notes on Aquatic Adaptations

Fig. 2. Scanning electron micrographs of female Lissorhoptrus oryzophilus antennal club. A) View of distal portion of club depicting squamiform sensilla I (ssI) and hydrofuge scales (hsI), bar 5 10 microns; B) cuticular pit (cp) and hsI on proximal area of club, bar 5 1 micron; C) trichoid sensilla on distal portion of club, bar 5 10 microns.

Fig. 4 in Antennal Sensory Structures of Lissorhoptrus oryzophilus (Coleoptera: Curculionidae) with Notes on Aquatic Adaptations

Fig. 4. Rostrum of female Lissorhoptrus oryzophilus. A) Dorsal view depicting hydrofuge scales II (hsII) on tip of rostrum, forecoxae, and areas of articulation of head and prothorax; waterproof coating (wpc) covers hsII in center of rostrum, bar 5 200 microns; B) lateral view of rostrum depicting wpc and hsII on tip of rostrum and around compound eye, bar 5 100 microns.

Fig. 3 in Antennal Sensory Structures of Lissorhoptrus oryzophilus (Coleoptera: Curculionidae) with Notes on Aquatic Adaptations

Fig. 3. Scanning electron micrographs of female Lissorhoptrus oryzophilus antennal segments. A) Lateral view of club and 6th funicular segment depicting squamiform sensilla

opennotspecifiedMar 2011View details →

Fig. 2 in Altitudinal Distribution of Aquatic Beetles (Coleoptera) in Northern Tunisia: Relationship between Species Richness and Altitude

Fig. 2. Relationship between number of sampling sites and species richness at three altitudinal levels. 1 = 1–249 m;

opennotspecifiedMar 2010View details →

Figs. 2–7. Collection site habitats. 2 in A Contribution to the Study of the Aquatic Adephaga (Coleoptera: Dytiscidae, Gyrinidae, Haliplidae, Noteridae, Paelobhdae) from Northern Tunisia

Figs. 2–7. Collection site habitats. 2) Bouterfes; 3) Maâden Nefza; 4) Ennour; 5) Mrij; 6) Lebgaâ; 7) Ksar el Mezouar.

opennotspecifiedMar 2010View details →

Fig. 1 in A Contribution to the Study of the Aquatic Adephaga (Coleoptera: Dytiscidae, Gyrinidae, Haliplidae, Noteridae, Paelobhdae) from Northern Tunisia

Fig. 1. Map of the study area indicating the location of the study sites. 1) Mouajen; 2) Chiâbet el heriga; 3) Puitmaison; 4) Maâden Ghardimaou; 5) Bulla regia; 6) Aïn gnaâa; 7) Ghrib; 8) Ghézala; 9) Chiâbet el magroun; 10) Barbar; 11) Saboun; 12) Ellil amont; 13) Ellil aval; 14) Edmen; 15) Mrij; 16) Lebgaâ; 17) Bransia; 18) Berbeg; 19) Lasfer; 20) Mlila; 21) Ennour; 22) Rennagha; 23) Kébir; 24) Amor amont; 25) Amor aval; 26) Bouterfes; 27) Titria aval; 28) Titria amont, 29) Maâden Nefza; 30) Bouzenna; 31) Tamra; 32) Magsbaya; 33) Sedjenane amont; 34) Ziatine; 35) Tessa; 36) Mellegue; 37) Kasseb; 38) Béja; 39) Ksar el mezouar; 40) Joumine amont; 41) Joumine aval; 42) Melah; 43) Sedjenane aval; 44) Kloufi; 45) Douimis; 46) Henna; 47) Puit guebsi; 48) Puit-Rimel; 49) Medjerda; 50) Khlaidia; 51) Abid; 52) Zaouit el megaiez; 53) Lebna; 54) Oued el wedyen; 55) Abed Kasis; 56) Chiba amont; 57) Chiba aval; 58) Siliana.

opennotspecifiedMar 2010View details →

Figs. 8–13. Collection site habitats. 8 in A Contribution to the Study of the Aquatic Adephaga (Coleoptera: Dytiscidae, Gyrinidae, Haliplidae, Noteridae, Paelobhdae) from Northern Tunisia

Figs. 8–13. Collection site habitats. 8) Ghrib; 9) Ziatine; 10) Khlaidia; 11) Ghézala; 12) Titria amont; 13) Joumine aval.

FIGURES 39–42 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)

FIGURES 39–42. Behavior and morphology of exocrine secretion delivery systems of Hydraena and Ochthebius. 39–40) Hydraena americana Jäch. 39) Schematic. a) Beetle balanced on edge, tibiae of the right legs resting on the surface of a wet leaf, the left legs performing secretion-grooming. b) Secretion-grooming movements of left tibiae (note pivotal role of middle leg). c) Locations of exocrine gland pore areas. 40) Venter of left side of prothorax, external and internal, showing components of exocrine secretion delivery system. 41) Ochthebius arenicolus Perkins, ventral aspect of head and prothorax. 42) Ochthebius glaber Montes & Soler, ventral aspect of left side of head and adjacent area of prothorax, showing external cuticular features of antennal pocket and internal end-apparatus and ductules. For more context and SEMs see Perkins (1997).

FIGURES 34–35. Habitus and male genitalia.34 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)

FIGURES 34–35. Habitus and male genitalia.34. Ochthebius (Gymnochthebius) falli (Perkins).35. Ochthebius (Gymnochthebius) fossatus LeConte.

FIGURE 33 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)

FIGURE 33. Ochthebius (Asiobates) cascadeus, new species, holotype habitus and aedeagus (inset: aedeagal apex of Ochthebius (Asiobates) mimicus Brown).

FIGURES 43–44 in New Neotropical and Nearctic species of water beetles in the genera Hydraena Kugelann and Ochthebius Leach, a key to North American genera and subgenera of the family, new distribution records, and a synopsis of ecology, behavior and morphology related to aquatic life (Coleoptera: Hydraenidae)

FIGURES 43–44. Behavior and morphology of exocrine secretion delivery system of Limnebius. 43) Limnebius piceus Horn, schematic, beetle balanced on edge, tibiae of the left legs resting on the surface of a wet leaf, the right legs performing secretiongrooming, anterior (left) and posterior aspects; dorsal areas groomed by legs: a) protibia and protarsus, b) protibia, c) mesotibia, d) metatibia and metatarsus. 44) Limnebius truncatellus (Thunberg). Head and adjacent area of prothorax, ventral aspect of left side showing external cuticular features and internal end-apparatus and ductules of exocrine glands. For more context and SEMs see Perkins (1997).

opennotspecifiedApr 2022View details →

FIGURE 2 in Checklist of Moroccan aquatic beetles (Coleoptera: Hydraenidae Mulsant, 1844) New records and updates

FIGURE 2. Chorological analysis: (A) general chorological categories of the studied taxa; (B) chorological subcategories of the Mediterranean chorotype; (C) endemics in the broadest sense.

FIG. 3 in Rhithrops capensis gen. et sp. nov., a new aquatic dryopid beetle from the Western Cape of South Africa (Coleoptera: Dryopoidea: Dryopidae)

FIG. 3. Rhithrops capensis gen. et sp. nov. A) head, posterolateral view; B) compound eye – arrow indicates inter-ommatidial seta; C) detail of dorsolateral sculpture of head, inside compound eye; D) antennae; E) antennomeres 1–2; F) antennomeres 3–10.

FIG. 6 in Rhithrops capensis gen. et sp. nov., a new aquatic dryopid beetle from the Western Cape of South Africa (Coleoptera: Dryopoidea: Dryopidae)

FIG. 6. Rhithrops capensis gen. et sp. nov. A) prothorax, dorsal view; B) close-up of sculpture of pronotal disc; C) Meso and metanotum, with scutellum; D) right elytron, dorsolateral view; E) detail of right elytral apex; F) prothorax, ventral view.

FIG. 4 in Rhithrops capensis gen. et sp. nov., a new aquatic dryopid beetle from the Western Cape of South Africa (Coleoptera: Dryopoidea: Dryopidae)

FIG. 4. Rhithrops capensis gen. et sp. nov. A) labrum, dorsal view; B) right mandible, ventral view; C) right maxilla, dorsal view; D) close-up of maxillary palp apex; E) female labrum and mentum, ventral view; F) male labrum and mentum, anteroventral view.

FIG. 2 in Rhithrops capensis gen. et sp. nov., a new aquatic dryopid beetle from the Western Cape of South Africa (Coleoptera: Dryopoidea: Dryopidae)

FIG. 2. South African endemic dryopid genera, dorsolateral view of pronotal margins. A) Rhithrops capensis gen. et sp. nov., holotype male; B) Rhithrops capensis gen. et sp. nov., paratype female; C) Rapnus sp., female; D) Strina sp., female. C) & D) South Africa, Western Cape, Franschoek, Mont Rochelle. Scale bar = 0.5 mm.

FIG. 10 in Rhithrops capensis gen. et sp. nov., a new aquatic dryopid beetle from the Western Cape of South Africa (Coleoptera: Dryopoidea: Dryopidae)

FIG. 10. Rhithrops capensis gen. et sp. nov. A) ovipositor, lateral view; B) ovipositor apex, lateral view (not to scale); C) female sternite 8. Scale bar (A & C) = 0.5 mm.