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Data from: Strategic predatory pursuit of the stealthy, highly maneuverable, slow flying bat Corynorhinus townsendii
<p class="MsoNormal">A predator's capacity to catch prey depends on its ability to navigate its environment in response to prey movements or escape behavior. In predator-prey interactions that involve an active chase, pursuit behavior can be studied as the collection of rules that dictate how a predator should steer to capture prey. It remains unclear how variable this behavior is within and across species since most studies have detailed the pursuit behavior of high-speed, open-area foragers. In this study, we analyze the pursuit behavior in 44 successful captures by <em>Corynorhinus townsendii</em>, Townsend's big-eared bat (<em>n</em> = 4). This species forages close to vegetation using slow and highly maneuverable flight, which contrasts with the locomotor capabilities and feeding ecologies of other taxa studied to date. Our results indicate that this species relies on an initial stealthy approach, which is generally sufficient to capture prey (32 out of 44 trials). In cases where the initial approach is not sufficient to perform a capture attempt (12 out of 44 trials), <em>C. townsendii</em> continues its pursuit by reacting to prey movements in a manner best modeled with a combination of pure pursuit, or following prey directly, and proportional navigation, or moving to an interception point.</p>
Fig. 2 in The Predatory Mites (Phytoseiidae, Parasitiformes) In The Fauna Of Ukraine: A Review With A Key To Species And New Combinations In The Genus Transeius
Fig. 2. Transeius fragilis (Kolodochka et Bondarenko, 1993), ♀ (1–7): 1 — dorsal shield; 2 — ventral body surface;3 — metapodal plates; 4 — posterior part of peritremal schield; 5 — chelicera; 6 — spermatheca; 7 — fragment of leg IV.
Fig. 5 in The Predatory Mites (Phytoseiidae, Parasitiformes) In The Fauna Of Ukraine: A Review With A Key To Species And New Combinations In The Genus Transeius
Fig. 5. Transeius lutezhicus (Wainstein, 1972), ♀ (1–7), Ơ (8, 9): 1 — dorsal shield; 2 — ventral body surface; 3 — metapodal plates; 4 — posterior part of peritremal shield; 5 — chelicera; 6 — spermatheca; 7 — fragment of leg IV; 8 — ventrianal shield; 9 — chelicerae with spermatodactil.
Fig. 4 in The Predatory Mites (Phytoseiidae, Parasitiformes) In The Fauna Of Ukraine: A Review With A Key To Species And New Combinations In The Genus Transeius
Fig. 4. Transeius jailensis (Коlоdосhka, 1981), ♀ (1–7), Ơ (8, 9): 1 — dorsal shield; 2 — ventral body surface; 3 — metapodal plates; 4 — posterior part of peritremal shield; 5 — chelicera; 6 — spermatheca; 7 — fragment of leg IV (macrosetae shown only); 8 — ventrianal shield; 9 — chelicerae with spermatodactil.
Fig. 1 in The Predatory Mites (Phytoseiidae, Parasitiformes) In The Fauna Of Ukraine: A Review With A Key To Species And New Combinations In The Genus Transeius
Fig. 1. Transeius begljarovi (Abbasova, 1970), ♀ (1–7), Ơ (8, 9): 1 — dorsal shield; 2 — ventral body surface; 3 — metapodal plates; 4 — posterior part of peritremal shield; 5 — chelicera; 6 — spermatheca; 7 — fragment of leg IV; 8 — ventrianal shield; 9 — chelicerae with spermatodactil.
Fig. 3 in The Predatory Mites (Phytoseiidae, Parasitiformes) In The Fauna Of Ukraine: A Review With A Key To Species And New Combinations In The Genus Transeius
Fig. 3. Transeius herbarius (Wainstein, 1960), ♀ (1–7), Ơ (8, 9): 1 — dorsal shield; 2 — ventral body surface; 3 — metapodal plates; 4 — posterior part of peritremal shield; 5 — chelicera; 6 — spermatheca; 7 — fragment of leg IV (macrosetae shown only); 8 — ventrianal shield; 9 — chelicerae with spermatodactil.
Fig. 7 in The Predatory Mites (Phytoseiidae, Parasitiformes) In The Fauna Of Ukraine: A Review With A Key To Species And New Combinations In The Genus Transeius
Fig. 7. Transeius montanus (Wainstein, 1962), ♀ (1–7), Ơ (8, 9): 1 — dorsal shield; 2 — ventral body surface; 3 — metapodal plates; 4 — posterior part of peritremal shield; 5 — chelicera; 6 — spermatheca; 7 — fragment of leg IV; 8 — ventrianal shield; 9 — chelicerae with spermatodactil.
Fig. 8 in The Predatory Mites (Phytoseiidae, Parasitiformes) In The Fauna Of Ukraine: A Review With A Key To Species And New Combinations In The Genus Transeius
Fig. 8. Transeius proximus (Кolоdoсhкa, 1991), ♀ (1–9), Amblyseius (Amblyseius) avetianae Arutujan et Ohandjanian, 1972 (10): 1 — dorsal shield; 2 — ventral body surface; 3 — metapodal plates; 4 — caudal part of peritremal shield;5 — chelicera; 6 — spermatheca; 7 — fragment of leg IV; 8 — chelicera; 9, 10 — spermatheca.
Fig. 6 in The Predatory Mites (Phytoseiidae, Parasitiformes) In The Fauna Of Ukraine: A Review With A Key To Species And New Combinations In The Genus Transeius
Fig. 6. Transeius masseei (Nesbitt, 1951), ♀ (1–7), Ơ (8, 9): 1 — dorsal shield; 2 — ventral body surface; 3 — metapodal plates; 4 — posterior part of peritremal shield; 5 — chelicera; 6 — spermatheca; 7 — fragment of leg IV (macrosetae shown only); 8 — ventrianal shield; 9 — chelicerae with spermatodactil.
Fig. 9 in The Predatory Mites (Phytoseiidae, Parasitiformes) In The Fauna Of Ukraine: A Review With A Key To Species And New Combinations In The Genus Transeius
Fig. 9. Transeius volgini (Wainstein et Beglyarov, 1971), ♀ (1–8), Ơ (9, 10): 1 — dorsal shield; 2 — backward curved ends of peritremes; 3 — posterior part of ventral body surface; 4 — metapodal plates; 5 — posterior part of peritremal shield; 6 — chelicera; 7 — spermatheca; 8 — fragment of leg IV; 9 — ventrianal shield; 10 — chelicerae with spermatodactil.
Figure 5 in Comparative histology of caniniform teeth in some predatory ichthyophagous teleosts
Figure 5. – Dissostichus eleginoïdes (Nototheneidae). A: Virtual model of the whole left premaxilla (pmx) showing the external aspect of the three caniniform teeth with external basal ridges (arrowheads); a fourth broken tooth shows folds in the pulpar cavity (white arrows); B: Virtual cross-section showing dentine folds (white arrows) and external ridges (white arrowheads); the dentine (de) core of the tooth is perforated; C: Virtual axial section of the largest tooth showing thin cavity and canals in the dentine (de); the tooth is covered with a thin enameloid (en) layer and forms a cap at the apex of the tooth; white arrowheads point to fold in the pulpar cavity (pc); D, E: Detail of a longitudinal (D) and transverse (E) sections (MNHN-Histos 2344 (D), MNHN-Histos 2342 (E) in natural transmitted light) showing the presence of many vascular canals anastomosed (white arrows); no odontoblastic tubules is present; the tooth is covered with a thin enameloid layer (en). Scale bars: A = 5 mm; B = 2 mm; C = 1 mm; D = 10 μm; E = 40 μm.
Figure 4 in Comparative histology of caniniform teeth in some predatory ichthyophagous teleosts
Figure 4. – Sphyraena guachancho (Sphyraenidae). A: 3-D reconstruction of the premaxilla (pmx) with a virtual axial section of a caniniform tooth showing vascularized dentine (de) covered with a thin enameloid layer and a cap of enameloid (en); B: Longitudinal section (MNHN-Histos 2332 in polarized light) showing the spatial organization of collagen fibers that follow a trajectory parallel to the direction of the vascular canals and to the main axis of the tooth (black arrowheads); the tooth is covered with a thin enameloid (en) layer; C: Detail of the longitudinal section in B (MNHN-Histos 2332 in polarized light) showing the presence of odontoblastic canaliculi perpendicular to the tooth area (black arrowheads); the tooth is covered with a thin enameloid layer (en). Scale bars: A = 5 mm; B = 10 μm; C = 40 μm.
Figure 2 in Comparative histology of caniniform teeth in some predatory ichthyophagous teleosts
Figure 2. – Lepidopus caudatus (Trichiuridae). A: 3-D reconstruction of the premaxilla (pmx) with a virtual axial section of a caniniform tooth showing vascularized dentine (de) covered with a thin enameloid layer; B: Virtual cross section of the tooth caniniform in A having many denteones; C: Detail of a cross section (MNHNHistos 2347 in natural transmitted light) showing the presence of denteones (asterisks) and anastomosed vascular canals (arrowheads). Odontoblastic canaliculi (oc) take an orientation perpendicular to the axis of the tooth as it approaches the outer surface of the tooth. Scale bars: A = 5 mm; B = 2 mm; C = 50 μm.
Data from: Strategic predatory pursuit of the stealthy, highly maneuverable, slow flying bat Corynorhinus townsendii
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Data from: field evaluation: the effect of two transgenic Bt maize events on predatory arthropods in the Huang-Huai-Hai summer maize-growing region of China
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Distinct predatory behaviors in scimitar- and dirk-toothed sabertooth cats
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Predatory interactions of Gorareduvius with and without resin
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Isotopic niche overlap of four large pelagic predatory fish species in the northwest Atlantic ocean
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Virtual prey with Lévy motion are preferentially attacked by predatory fish
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A double-edged sword: evolutionary novelty along deep-time diversity oscillation in an iconic group of predatory insects (Neuroptera: Mantispoidea)
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