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75 results for “Bythotrephes”
Evolutionary change in metabolic rate of Daphnia pulicaria following invasion by the predator Bythotrephes longimanus
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Data from: Genetic and maternal effects on tail spine and body length in the invasive spiny water flea (Bythotrephes longimanus)
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Data from: Rapid evolution mitigates the ecological consequences of an invasive species (Bythotrephes longimanus) in lakes in Wisconsin
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FIGURE 1 in Redescription of Bythotrephes longimanus Leydig, 1860 and B. cederströmii Schödler, 1877 (Crustacea: Cladocera: Onychopoda), with notes on the morphology and systematics of the genus Bythotrephes Leydig, 1860
FIGURE 1. Scheme of measurements of body parts of Bythotrephes.
FIGURE 1 in Taxonomic resolution of the North American invasive species of the genus Bythotrephes Leydig, 1860 (Crustacea: Cladocera: Cercopagididae)
FIGURE 1. Map of the area of the sampled lakes.
FIGURE 1 in Redescription of Bythotrephes longimanus Leydig, 1860 and B. cederströmii Schödler, 1877 (Crustacea: Cladocera: Onychopoda), with notes on the morphology and systematics of the genus Bythotrephes Leydig, 1860
FIGURE 1. Scheme of measurements of body parts of Bythotrephes.
FIGURE 6 in Description of a new species in the genus Bythotrephes Leydig, 1860 (Crustacea Cladocera: Onychopoda), supplements to selected species, and concluding remarks on the genus
FIGURE 6. Geographical distribution of Bythotrephes species, circles ("?"= questionable locations): dark blue—B. longimanus; dark red—B. arcticus (SK—locality Sabanty-Kul in Northern Kazakhstan); yellow—B. brevimanus; white—B. cederströmii; purple—B. lilljeborgi; light blue—interspecific hybrid form B. brevimanus x B. cederströmii; asterisk—B. transcaucasicus; cross—B. centralasiaticus sp. nov.
FIGURE 4 in Description of a new species in the genus Bythotrephes Leydig, 1860 (Crustacea Cladocera: Onychopoda), supplements to selected species, and concluding remarks on the genus
FIGURE 4. Bythotrephes centralasiaticus sp. nov., females, Lake Kadysh (Tyva, Southern Siberia). Setae of endopodite: A, armament of anterior lateral seta of first segment of tl I; B, armament of anterior lateral seta of first segment of tl III; C, armament of anterior subterminal seta of tl II; D, thoracic limb of fourth pair (es = external setae). Scale bars: 2.5 µm (B), 5 µm (A), 10 µm (C), 25 µm (D).
FIGURE 1 in Description of a new species in the genus Bythotrephes Leydig, 1860 (Crustacea Cladocera: Onychopoda), supplements to selected species, and concluding remarks on the genus
FIGURE 1. Bythotrephes centralasiaticus sp. nov., females, Lake Kadysh (Tyva, Southern Siberia). A, general lateral view. B, antennula. C, branches of swimming antenna. D, distal end of protopodites of tl II and tl III, outer side. E, first and second endopodital segments of tl I. F, distal part of protopodite of tl I with a pseudognathobasic process. G, apical setae of first segment of tl I. H, I, apical setae of second segment of tl I. J, thoracic limb of second pair (tl II) (as—anterior setae). K, thoracic limb of third pair (tl III). L, thoracic limb of fourth pair (tl IV) (es—external setae). M, caudal process.
FIGURE 2 in Description of a new species in the genus Bythotrephes Leydig, 1860 (Crustacea Cladocera: Onychopoda), supplements to selected species, and concluding remarks on the genus
FIGURE 2. Bythotrephes centralasiaticus sp. nov., females, Lake Kadysh (Tyva, Southern Siberia) (C–E, H–M); Lake Er- Kara-Hol (A, B, F, G). A–E, claws of postabdomen and caudal process. F, apical setae of second segment of tl I. G, apical setae of caudal process. Setae of endopodite: H, anterior lateral seta of first segment of tl II; I, anterior lateral seta of first segment of tl I and second segment of tl II; J, anterior terminal seta of tl II; K, anterior subterminal seta of tl II; L, posterior terminal seta of tl II; M, posterior subterminal seta of tl II.
FIGURE 5. Hybrid form Bythotrephes brevimanus x B in Morphological assessment of the North Eurasian interspecific hybrid forms of the genus Bythotrephes Leydig, 1860 (Crustacea: Cladocera: Cercopagididae)
FIGURE 5. Hybrid form Bythotrephes brevimanus x B. cederströmii, females (A, B, Lake Onega; C, D, the River Shosha; E, F, Lake Kumichevo; G–L, Lake Chany). A–C, E–L, postabdominal and caudal claws. D, traces of bend of caudal process (enlarged denticles are arrowed).
FIGURE 2. Hybrid form Bythotrephes brevimanus x B in Morphological assessment of the North Eurasian interspecific hybrid forms of the genus Bythotrephes Leydig, 1860 (Crustacea: Cladocera: Cercopagididae)
FIGURE 2. Hybrid form Bythotrephes brevimanus x B. cederströmii (the River Volga reservoirs, Central European Russia: A– G—Rybinskoe Reservoir, H–L—Ivan'kovskoe Reservoir, M–R—Uglicheskoe Reservoir; S–U—Mullsjön, Sweden). Female: A–C, M, N, S, bend of caudal process (traces of bend are arrowed); I, J, setae of distal end of second endopodital segment of tl I; K, L, O–R, T, U, postabdominal and caudal claws. Male: D, proximal part of third segment of tl I; E, clasping hook and nearest area, inner view; F, clasping hook, lateral view; G, copulatory appendage.
FIGURE 7 in Morphological assessment of the North Eurasian interspecific hybrid forms of the genus Bythotrephes Leydig, 1860 (Crustacea: Cladocera: Cercopagididae)
FIGURE 7. Geographical distribution of Bythotrephes hybrid forms. Bythotrephes brevimanus x B. cederströmii (rhombuses – literature data, black circles – original data). B. arcticus x B. cederströmii (asterisk). Bythotrephes sp. x B. cederströmii (cross).
FIGURE 3 in Taxonomic resolution of the North American invasive species of the genus Bythotrephes Leydig, 1860 (Crustacea: Cladocera: Cercopagididae)
FIGURE 3. Bythotrephes cederströmii, females (Canada: A–D—Lake Prairie Bee; E–G—Lake Ellen; H—Lake Long; I–K— Lake Dotty; L, M—Lake Biscotasi; N—Lake Cummings). A, G, N, claws of postabdomen and caudal process. I, proximal part of caudal process. B–F, H, K–M, bend of caudal process. I, J, distal setae of second endopodital segment of thoracic limbs of first pair (tl I).
FIGURE 4 in Taxonomic resolution of the North American invasive species of the genus Bythotrephes Leydig, 1860 (Crustacea: Cladocera: Cercopagididae)
FIGURE 4. Bythotrephes cederströmii, females (Canada: A—Lake Aubrey; B, C—Lake Kagawong; D—Lac La Croix; E–J— Lake Winnipeg). A, B, I, J, claws of postabdomen and caudal process. C, damaged postabdominal claw. H, postabdominal claws of juvenile females. D–G—bend of caudal process.
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Allen Brain Atlas
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