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453 results for “diving beetles”
Figure 4 in Underestimated diversity and range size of diving beetles in tank bromeliads-Coleoptera of 'hygrofloric' lifestyle (Dytiscidae)
Figure 4. Habitus of bromeliadicolous Copelatus. A, C. florae (holotype). B, instar III larva of C. florae (Alto de Piedra). C, C. florae (Manaus). D, C. panguana (holotype). Scale bar = 2.0 mm.
Fig. 2 in A preliminary checklist of the minute diving beetles of Belize (Coleoptera: Dytiscidae: Bidessini)
Fig. 2. Distribution of Bidessini in Belize: A, Anodocheilus francescae Young, 1974; B, Anodocheilus guatemalensis (Zaitzev, 1910); C, Bidessodes elongatus (Sharp, 1882); D, Bidessonotus caraibus (Chevrolat, 1863); E, Bidessonotus mexicanus Régimbart, 1895; F, Bidessonotus mobilis J. Balfour-Browne, 1947; G, Bidessonotus pollostus Young, 1990; H, Bidessonotus vicinus Young, 1990; I, Neobidessus obtusoides Young, 1977; J, Neobidessus persimilis (Régimbart, 1895); K, Uvarus spretus (Sharp, 1882). Yellow dots indicate literature records and red dots studied material.
Fig. 4 in A preliminary checklist of the minute diving beetles of Belize (Coleoptera: Dytiscidae: Bidessini)
Fig. 4. Pond in the transition zone between savannah and tropical wet forest in the Bladen Nature Reserve (Toledo) with layer of leaf litter and a vegetation of water lilies. At this site Anodocheilus francescae, A. guatemalensis, Bidessonotus mobilis and B. vicinus were collected. © Kevin Scheers.
Fig. 5 in A preliminary checklist of the minute diving beetles of Belize (Coleoptera: Dytiscidae: Bidessini)
Fig. 5. Shallow pool in partly mowed, small marsh near Punta Gorda (Toledo) with Anodocheilus francescae, Bidessonotus caraibus, Bidessonotus vicinus and Uvarus spretus. © Kevin Scheers.
Fig. 1 in A preliminary checklist of the minute diving beetles of Belize (Coleoptera: Dytiscidae: Bidessini)
Fig. 1. Dorsal habitus of A, Anodocheilus francescae Young, 1974; B, Bidessodes elongatus (Sharp, 1882) and C, Bidessonotus mobilis J. Balfour-Browne, 1947; scale bars = 1 mm. © Florence Trus.
Fig. 3 in A preliminary checklist of the minute diving beetles of Belize (Coleoptera: Dytiscidae: Bidessini)
Fig. 3. Pond in the savannah of the Deep River Forest Reserve (Toledo), the typical habitat of Anodocheilus francescae and Neobidessus obtusoides. At this site both species co-occurred with Bidessonotus vicinus. © Kevin Scheers.
Fig. 6 in A preliminary checklist of the minute diving beetles of Belize (Coleoptera: Dytiscidae: Bidessini)
Fig. 6. Pond in the forest of the Bladen Nature Reserve (Toledo) with a thick layer of decaying leafs, the typical habitat of Bidessonotus mobilis. At this site the species co-occurred with the more eurytopic B. vicinus and a single specimen of Uvarus spretus. © Kevin Scheers.
Figs 13–17 in Electruphilus wendeli gen.n., sp.n. - the first diving beetle recorded from Saxonian (Bitterfeld) Amber (Coleoptera: Dytiscidae: Laccophilinae)
Figs 13–17. Laccophilinae: 13–14, 16 — Australphilus saltus Watts, 1978; 15, 17 — Philaccolilus ameliae Balke et al., 2000; 13 — dorsal side; 14–15 — ventral side; 16–17 — metacoxae and metacoxal lines. Рис. 13–17. Laccophilinae: 13–14, 16 — Australphilus saltus Watts, 1978; 15, 17 — Philaccolilus ameliae Balke et al., 2000; 13 — сверху; 14–15 — сниЗу; 16–17 — Задние таЗики и метакоксальнаЯ линиЯ.
Figs 9–12 in Electruphilus wendeli gen.n., sp.n. - the first diving beetle recorded from Saxonian (Bitterfeld) Amber (Coleoptera: Dytiscidae: Laccophilinae)
Figs 9–12. Laccodytes spp.: 9 — L. takutuanus Toledo et al., 2010; 10 — L. neblinae Toledo et al., 2010; 11 — L. apalodes Guignot, 1955; 12 — Laccomimus bordoni Toledo, Michat, 2015; 9 — male, ventral view (photo by Cesar Benetti); 10–12 — SEM photo of prosternal process [from Toledo, Michat, 2015]. Рис. 9–12. Laccodytes spp.: 9 — L. takutuanus Toledo et al., 2010; 10 — L. neblinae Toledo et al., 2010; 11 — L. apalodes Guignot, 1955; 12 — Laccomimus bordoni Toledo, Michat, 2015; 9 — самец, сниЗу (photo by Cesar Benetti); 10–12 — SEM фотографиЯ отростка переднегруди [по Toledo, Michat, 2015].
FIGURE 11 in The return of the Duke - locality data for Megadytes ducalis Sharp, 1882, the world's largest diving beetle, with notes on related species (Coleoptera: Dytiscidae)
FIGURE 11. Distribution of the subgenus Bifurcitus in Central and South America: White line: distribution of M. lherminieri; black line: distribution of M. magnus; red spot: only known locality for M. ducalis.
FIGURE 7 in The return of the Duke - locality data for Megadytes ducalis Sharp, 1882, the world's largest diving beetle, with notes on related species (Coleoptera: Dytiscidae)
FIGURE 7. Megadytes ducalis, male from collection Guignot: A) frontal view, B) ventral view of head and protarsus, C) left middle leg, D) dorso-lateral view of left side of head, pronotum and elytral base, E) ventro-lateral view of left hind leg. Scale bars = 5 mm.
FIGURE 3 in The return of the Duke - locality data for Megadytes ducalis Sharp, 1882, the world's largest diving beetle, with notes on related species (Coleoptera: Dytiscidae)
FIGURE 3. Female of M. ducalis from collection Régimbart in MNHN [TL = 47.4 mm], the largest known diving beetle specimen in the world: "San Antônio da Barra, Prov. de Bahia, Brésil".
FIGURE 6 in The return of the Duke - locality data for Megadytes ducalis Sharp, 1882, the world's largest diving beetle, with notes on related species (Coleoptera: Dytiscidae)
FIGURE 6. Megadytes magnus: A) median lobe with parameres in ventral view, B) tip of median lobe in lateral view, C) median lobe in ventro-apical view to show the long nose-like tip. Scale bars = 1.5 mm.
FIGURE 1 in The return of the Duke - locality data for Megadytes ducalis Sharp, 1882, the world's largest diving beetle, with notes on related species (Coleoptera: Dytiscidae)
FIGURE 1. Habitus in dorsal view of: A) M. ducalis, B) M. lherminieri, C) M. magnus; habitus in ventral view of: D) M. ducalis, E) M. lherminieri (Ecuador, Esmeraldas), F) M. magnus (Paraguay, Cerro Lambaré).
FIGURE 5 in The return of the Duke - locality data for Megadytes ducalis Sharp, 1882, the world's largest diving beetle, with notes on related species (Coleoptera: Dytiscidae)
FIGURE 5. Megadytes lherminieri: A) median lobe with parameres in ventral view, B) tip of median lobe in lateral view, C) median lobe in ventro-apical view to show the flat tongue-like tip. Scale bars = 1.5 mm.
FIGURE 8 in The return of the Duke - locality data for Megadytes ducalis Sharp, 1882, the world's largest diving beetle, with notes on related species (Coleoptera: Dytiscidae)
FIGURE 8. Megadytes lherminieri, male, Ecuador, Esmeraldas: A) ventral view of head, left protarsus and left middle leg, B) dorsal view of left protarsus, C) ventro-lateral view of left hind leg; M. magnus, male, Paraguay, cerro Lambaré: D) ventral view of head, right protarsus and right middle leg, E) dorsal view of left protarsus, F) ventro-lateral view of left hind leg. Scale bars = 5 mm.
FIGURE 9 in The return of the Duke - locality data for Megadytes ducalis Sharp, 1882, the world's largest diving beetle, with notes on related species (Coleoptera: Dytiscidae)
FIGURE 9. Habitat of M. lherminieri in Guadeloupe: (A) Pond in Savane Desrosière, Anse Bertrand, Grande-Terre, Guadeloupe, 27.VIII. 2013, N16°30'09" W61°28'25"; (B) Pond near Sainte Anne, Grande-Terre, Guadeloupe, 17.VIII. 2013, N16°14'19"/W61°21'03.6" (Photos: M. Manuel).
Figs. 1–6 in Natural Pupal Habitat of the Diving Beetle Laccophilus nakajimai Kamite, Hikida, and Satô, 2005 (Coleoptera: Dytiscidae: Laccophilinae)
Figs. 1–6. Pupal chambers and habitats of Laccophilus nakajimai. 1) Habitat of adults and larvae; 2) Pupal habitats of L. nakajimai; 3) Third-instar larva in a pupal chamber; 4) Pupa in a chamber; 5) Pupal chambers from which adults are thought to have escaped; 6) Dead adult in a pupal chamber.
Figs. 44–56 in The Predaceous Diving Beetles (Coleoptera: Adephaga: Dytiscidae) from the Miradores Lagoon, Veracruz, Mexico
Figs. 44–56. Morphological structures of Dytiscidae. 44) Elytra, Laccophilus gentilis suavis; 45) Anterior margin of eyes emarginate in Copelatinae and Colymbetinae; 46) Anterior margin of eyes not emarginate in Cybistrinae and Dytiscinae; 47) Male protarsomeres of Rhantus; 48–49) Male protarsomeres of Cybister and Dytiscus; 50) Metacoxal lines in Copelatus; 51) Lateral view of aedeagus in Copelatus distinctus; 52) Lateral view of aedeagus in Copelatus caelatipennis fragilis; 53) Metatibial spurs of Megadytes; 54) Metatibial spurs of Dytiscus; 55) Dorsal view of Thermonectus circumscriptus; 56) Dorsal view of Thermonectus b. basillaris. Fig. 44 taken from Zimmerman (1970); Figs. 45–50, 53, 54 from Arce-PÉrez and Roughley (1999); Figs. 51, 52 from Young (1963); Figs. 55, 56 from GoodhueMcWilliams (1968).
Figs. 29–43 in The Predaceous Diving Beetles (Coleoptera: Adephaga: Dytiscidae) from the Miradores Lagoon, Veracruz, Mexico
Figs. 29–43. Morphological structures of Dytiscidae. 29) Metatibia almost straight; 30) Metatibia slightly arched; 31) Epipleuron with a transverse basal carina; 32) Metatibia with a serrated spur apically; 33) Head with a cervical stria; 34) Clypeus with medial transverse groove; 35–36) Pro- and mesotarsi in Bidessonotus and Liodessus; 37) Metatibial spurs bifid apically; 38) Male with metacoxal file; 39) Female ovipositor saw-like; 40) Female ovipositor rake-like; 41) Elytra, Laccophilus zimmermani; 42) Elytra, Laccophilus quadrilineatus tehuanensis; 43) Elytra, Laccophilus p. pictus. Figs. 29–31, 33, 35–40 taken from Arce-PÉrez and Roughley (1999); Fig. 41 from Arce-PÉrez and Morón (2017); Figs. 42–43 from Zimmerman (1970).
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