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690 results for “antennae”
FIGURES 25–28. Male antennae. 25 in Review of Chinese species of the Oxylipeurus - complex (Phthiraptera: Philopteridae), with descriptions of two new genera and five new species
FIGURES 25–28. Male antennae. 25, Reticulipeurus robustus (Rudow, 1869) ex Lophura nycthemera. 26, Reticulipeurus reevesi (Clay, 1938) ex Syrmaticus reevesi. 27, Reticulipeurus baileyi (Clay, 1938) ex Crossoptilon auritum. 28, Reticulipeurus crossoptilon (Clay, 1938) ex Crossoptilon crossoptilon crossoptilon. All figures drawn to same scale.
FIGURES1–7. Dendrothrips karnyi, female (1) Body; (2); Meso & metathorax (3)Head & pronotum; (4)Antenna; (5)Abdominal tergites IV–VII; (6) Abdominal sternites II–V; (7)Fore wing. in --First--description --of--the--male-- of--Dendrothrips karnyi (Thysanoptera,--Thripidae)-from-- Iran
FIGURES1–7. Dendrothrips karnyi, female (1) Body; (2); Meso & metathorax (3)Head & pronotum; (4)Antenna; (5)Abdominal tergites IV–VII; (6) Abdominal sternites II–V; (7)Fore wing.
FIGURE 1 in Taxonomic update of the Neotropical genus Cryptocladocera Bezzi, 1923 (Diptera: Tachinidae), with remarks on tachinids with fissicorn antennae
FIGURE 1. Cryptocladocera prodigiosa Bezzi (♂, holotype). A. Lateral habitus. B. Dorsal habitus. C. Head, frontal view. D. Head, lateral view. Scale bars: 1 mm.
FIGURE 6 a–g. Antenna. a, T in A revision of Japanese Torymus Dalman (Hymenoptera: Torymidae)
FIGURE 6 a–g. Antenna. a, T. hirtipennis ♀; b, T. hirtipennis ♂; c, T. macrops ♀; d, T. matsunagae ♀; e, T. minamii ♀; f, T. minamii ♂; g, T. quernus ♀. Scale lines 0.25 mm.
FIGURE 1. Antenna 2.18.1 in A phylogeny and classification of the Talitroidea (Amphipoda, Senticaudata) based on interpretation of morphological synapomorphies and homoplasies
FIGURE 1. Antenna 2.18.1 slender (after Bousfield 1991); 18.2 incrassate (after Bousfield 1982). Maxilliped. 20.1 palp article 2 without distomedial lobe (after Hurley 1957); 20.2 palp article 2 with distomedial lobe (after Iaciofano & Lo Brutto 2016); 21.1 palp article 4 large well defined (after Krapp-Schickel 1993); 21.2 palp article 4 small, well defined (after Duncan 1994); 21.3a palp article 4 fused to article 3 (after Bellan-Santini, 1993); 21.3b palp article 4 reduced button shaped (after Hurley 1957). Gnathopod 1. 22.1 subchelate (after White, Lowry & Morino 2013); 22.2 parachelate (after Lindeman 1990); 22.3 simple (after Lowry & Myers 2019a); 22.4 chelate (after Serejo 2004).
FIGURES 1–8 in Description of a new species of Paratullbergia (Collembola, Tullbergiidae) from China with the report of an abnormal antenna
FIGURES 1–8. Paratullbergia chuana sp. nov. 1, habitus; 2, head, dorsal view; 3, head, ventral view; 4. postantennal organ (with 47 vesicles) and pseudocellus on antennal base (holotype); 5. postantennal organ (paratype SC-2017008, with 50 vesicles); 6, postantennal organ (paratype SC-2017003, with 34 vesicles); 7, posterior part of head and Th. I; 8, Th. III, left side.
X-ray microtomography volume rendering of the antennae of Baltelater bipectinatus gen. et sp. nov., holotype, 6685 (MAIG).
<p>X-ray microtomography volume rendering of the antennae of <em>Baltelater bipectinatus </em>gen. et sp. nov. from Eocene Baltic amber, holotype, 6685 (MAIG).</p>
Locating large insects using automated VHF radio telemetry with a multi-antennae array
<p>1. We describe an automated radio telemetry system (ARTS) designed for estimating the location of 0.50g butterflies that was constructed with commercially available materials. Previously described systems were not designed to estimate fine-scale locations of large insects within approximately 200m$^2$ study areas.</p> <p>2. The ARTS consists of four receiving stations. Each receiving station has four 3-element, directional Yagi antennae (separated by 60\si{\degree}) connected to an automated receiver that records detected power sequentially from each antenna. To develop and evaluate the ARTS performance, four receiving stations were installed in the corners of 4-ha and 6.25-ha square fields with varying heights of vegetative cover. The location of a 0.22g transmitter was estimated with a statistical method implementing both distance- and angle-power relationships. Calibrated model parameters were based on power detected from transmitters at known locations. Using independently collected data, model performance was evaluated based on estimated locations of a georeferenced stationary transmitter, a moving transmitter with a known georeferenced path, and a transmitter attached to a monarch butterfly (\textit{Danaus plexippus}). Estimated locations were calculated as frequently as every 5 seconds, which is at least 12 times greater than the sampling frequency previously reported for tracking insects.</p> <p>3. When sufficient power data was received, the median estimated locations of a transmitter attached to an investigator's hat were $<$16m from the true location. The median effective radius of the 95\% confidence ellipse was 18.3m for stationary targets and 15.9m for a moving transmitter. Greater error in location estimation was expected when the transmitter was attached to a monarch butterfly due to interference from vegetation and variability in antenna orientation and transmitter height. As such, the median distance between the estimated and true locations was 72m. After applying a correction for the effect of vegetation, median location error was reduced by 12m.</p> <p>4. While our ARTS has likely reached the limit of current technology, the system is still a substantial methodological advancement for locating butterflies. Our efforts should provide a benchmark as technology improves.</p>
Fig. 4. Meru phyllisae, antennae. A in A new aquatic beetle family, Meruidae, from Venezuela (Coleoptera: Adephaga)
Fig. 4. Meru phyllisae, antennae. A, Left, dorsal view; B, right, segments 1–7, ventral view; C, right, segments 7–11, ventral view, showing sensorial patches on segments 7, 9 and 11; D, right, segments 6–8, ventral view, showing sensorial patch on segment 7; E, left, lateral view, apical (eleventh) segment with sensorial patches; F, right, ventral view, apical (eleventh) segment with sensorial patches.
Data from: Infrared antenna-like structures in mammalian fur
<p>Mammalian fur is a highly adaptable structure, with a broad range of well-documented functions. Many small animals, including shrews, most rodents, and some marsupials, have fur composed of at least four types of hair, all with distinctive and complex anatomy. A ubiquitous and unexplained feature is periodic, internal banding with spacing in the 6–12 μm range that hints at an underlying infrared function. One bristle-like form, called guard hair, has the correct shape and internal periodic patterns to function as an infrared antenna. Optical analysis of guard hair from rodents, shrews and antechinus shows precise tuning to the optimum wavelength for thermal imaging. An infrared sensory capability, that provides all-round infrared threat-warning, could explain why common predators of rodents, such as, small cats, snakes and owls have adaptations to conceal their infrared emission. There are many other well-recognised infrared sensors in members of the Reptilia, Insecta, Arachnida, and Mammalia Classes. Such hair structures are not present in bats (aerial predator) and moles (subterranean). Preliminary evidence suggests that wild mice and rats react to infrared sources, but further experimental evidence is required to confirm these results. The tools developed in this work may enable us to understand the other hair-types and their evolution.</p>
Data from: Experimental evaluation of spectral efficiency from a circular array antenna producing a Laguerre-Gauss mode
<p>We present the 4D volumetric electromagnetic field measurements (x, y, z and frequency) of the complex radiated field produced by an 8-element circular antenna array. The array is designed to produce a Laguerre-Gauss (LG) mode l = -1 over the frequency range of 9 - 10 GHz. We evaluate our findings in terms of far-field LG mode purity and spectral efficiency in terms of the QAM modulation scheme that can be supported. The application of LG modes in radio systems is as a means of multiplexing several data streams onto the same frequency, polarisation and time slot, thus making highly spectrally efficient transmission system or enhancing radar systems by means of exploiting mode behaviour as an additional degree of freedom. Our results show that for the circular antenna array, we find that mode purity allows BPSK or QPSK modulation over a 0.3GHz bandwidth. Closer to the antennas' design frequency, 256QAM modulation may be used over a 0.05 GHz band. We anticipate the practical insights provided in this paper to contribute to the successful design of such systems.</p>
FIGURES 34–51. Panchaetothripinae species. Antenna 34–47 in The Panchaetothripinae (Thysanoptera, Thripidae) of Brazil, with one new Caliothrips species
FIGURES 34–51. Panchaetothripinae species. Antenna 34–47: (34) Arachisothrips millsi; (35) Brachyurothrips anomalus; (36) Bradinothrips williamsi; (37) Caliothrips cangaceiro sp. n.; (38) Caliothrips punctipennis; (39) Dinurothrips vezenyii; (40) Elixothrips brevisetis; (41) Heliothrips haemorrhoidalis; (42) Heliothrips longisensibilis; (43) Heliothrips similis; (44) Heliothrips zucchi; (45) Hoodothrips constrictus; (46) Hoodothrips lineatus; (47) Selenothrips rubrocinctus; (48) Brachyurothrips anomalus (head); (49) Caliothrips punctipennis (head and thorax); head and pronotum 50–51: (50) Caliothrips phaseoli; (51) Caliothrips nanus.
FIGURES 20–24. Male antennae. 20, P in Review of the Central Asian species of Phthorarcha Meyrick (Geometridae Alsophilinae) with description of a new species
FIGURES 20–24. Male antennae. 20, P. primigena; 21, P. haberhaueri; 22, P. ishkovi; 23, Alsophiloides acroama; 24, Chimaphila zabolne
FIGURE 3 Scaphidium formosanum Pic. A‒B. Habitus, male. C. Metaventrite, male. D. Antenna. E in Two new species of the genus Scaphidium Olivier (Coleoptera: Staphylinidae Scaphidiinae) from Southwest China
FIGURE 3 Scaphidium formosanum Pic. A‒B. Habitus, male. C. Metaventrite, male. D. Antenna. E. Front leg in ventral view, male. F. habitus, female. G‒H. Aedeagus. I. Internal sac in detail. Scales: A‒C, E‒F = 1 mm; D, G‒I = 0.2mm.
Scapus_of_antenna_Agonum_specimen
<p>Habitus of an Agonum specimen, scapus in red, red arrows, corrected version, png file</p>
FIGURE 4. Antennae, K in Konowia Brauns, 1884, and Monoxiphia, n. gen. (Hymenoptera, Xiphydriidae) Palaearctic woodwasps with simple tarsal claws on all legs
FIGURE 4. Antennae, K. betulae (A–J), K. kojimai (K–O), K. megapolitana (P, Q) and K. yasumatsui (R–U), females (A–I, K–N, P–T) and males (J, O, U). --- A, Altenburg, Germany; B, Mirugam, Korea; C, Nukabira-ko, Hokkaido; D, Horoshika-toge, Hokkaido; E, Nissho-toge, Hokkaido; F, Izumisawa, Hokkaido; G, Akaigawa, Hokkaido, holotype of Platyxiphydria nishijimai; H, same specimen as A, pedicel and base of flagellum; I, same specimen as B, pedicel and base of flagellum; J, Memuro-dake, Hokkaido; K, Nissho-toge, Hokkaido; L, Yakumo, Hokkaido; M, Yumine, Honshu, holotype; N, same specimen as L, pedicel and base of flagellum; O, Asahidake-onsen, Hokkaido; P, Łódż, Poland; Q, same specimen as P, pedicel and base of flagellum; R, Nikko, Honshu; S, Omogokei, Shikoku; T, same specimen as R, pedicel and base of flagellum; U, Sobo-sancho, Kyushu.
Figure 1 in Microscopic morphology of the antennule and antenna of the marine isopod Cirolana harfordi
Figure 1. Whole body images of Cirolana harfordi, (a) Dorsal aspect of a living specimen. Inset line drawing shows animal with antennae in the anatomical position at right angles to body midline; (b) Ventral aspect of a dead specimen, the left antenna is visible, the right antenna is situated under the legs.
Figure 4 in Microscopic morphology of the antennule and antenna of the marine isopod Cirolana harfordi
Figure 4. The Antenna. (a) the right antenna, ventral aspect, peduncle articles are numbered; (b) the left antenna, dorsal aspect; (c) the peduncle of the right antenna, ventral aspect.
Figure 11 in Microscopic morphology of the antennule and antenna of the marine isopod Cirolana harfordi
Figure 11. Diagram of the antenna. (a) right antenna, dorsal aspect; (b) right antenna, ventral aspect. Plumose setae and pit setae are indicated, all other non-arrowed setae are simple setae.
Figure 6 in Microscopic morphology of the antennule and antenna of the marine isopod Cirolana harfordi
Figure 6. Scales and pits of the integument. (a) posterior aspect of the first article of the peduncle of the right antennule showing scales that make up most of the integument surface, cuticle extensions on scales can be seen in some regions, peduncle articles are numbered; (b) close up of the edge of scales that have cuticle extensions; (c) left antenna, fifth article of the peduncle (numbered), ventral aspect; (d) a pit with central pit seta; (e) pit seta showing the sub-terminal pore; (f) the pore of a pit seta with cupule inside.
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