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1,694 results for “Weevils”
Fig. 3 in Diel flight activity patterns of the red palm weevil (Coleoptera: Curculionidae) as monitored by smart traps
Fig. 3. Mean temporal distributions of adult male (A), female (B), and total (C) red palm weevils captured in STs over the 24 h diel cycle. Each circle represents 4, 16, and 19 weevils in A, B, and C, respectively.
Fig. 1. Sticky trap applied for catching Elaeidobius kamerunicus, pollinating weevils. The trap was 21.7 in Pollination activity of Elaeidobius kamerunicus (Coleoptera: Curculionoidea) on oil palm on Hainan island
Fig. 1. Sticky trap applied for catching Elaeidobius kamerunicus, pollinating weevils. The trap was 21.7 cm in diameter and 26.3 cm in height. It was folded into a cylinder surrounding an Elaeis guineensis inflorescence with the sticky gel–coated surface on the outside.
Fig. 4. Survival curves with 95 in Effect of temperature on growth, reproductive activity, and survival of the invasive bromeliad-eating weevil Metamasius callizona (Coleoptera: Curculionidae)
Fig. 4. Survival curves with 95% confidence intervals for Metamasius callizona adults at 3 temperatures. Numbers of individuals at time zero were: 16 °C, n = 54; 25 °C, n = 47; and 35 °C, n = 74.
Fig. 2 in Effect of temperature on growth, reproductive activity, and survival of the invasive bromeliad-eating weevil Metamasius callizona (Coleoptera: Curculionidae)
Fig. 2. Development rate of Metamasius callizona from A) egg collection to pupation and from B) pupation to adult emergence at 4 temperatures in the weevil's operational range.
Fig. 1. Proportion and 95 in Effect of temperature on growth, reproductive activity, and survival of the invasive bromeliad-eating weevil Metamasius callizona (Coleoptera: Curculionidae)
Fig. 1. Proportion and 95% confidence intervals of A) eggs, B) larvae, C) pupae, and D) adults surviving afer exposure to 1 of 7 temperatures for 1, 2, or 4 d, and E) adult survival rate afer exposure to 0 °C for 6 and 8 d. Confidence intervals were calculated using Wilson score intervals (α = 0.05; Wilson 1927). For each life stage, the average number and range of replicates per the temperatures and days to which they were exposed were: eggs, average 25, range 12 to 32; larvae, average 25, range 20 to 37; pupae, average 15, range 10 to 28; adults, average 23, range 17 to 38.
Fig. 3 in Effect of temperature on growth, reproductive activity, and survival of the invasive bromeliad-eating weevil Metamasius callizona (Coleoptera: Curculionidae)
Fig. 3. Oviposition rate of Metamasius callizona at 7 temperatures. Results with the same letter are statistically similar; determined using analysis of variance and Tukey's method of multiple comparisons; α = 0.05; data collected daily from 10 females ovipositing for 14 d.
Figs 10-22 in Cossonine weevils in Dominican amber (Coleoptera: Curculionidae)
Figs 10-22: Three species of Caulophilus, Caulophilus falini nov.sp. (holotype, USNM 505815), C. swensoni nov.sp. (holotype, USNM 502877, and paratype, USNM 502666), and C. bennetti nov.sp. (holotype, USNM 505352). (10) lateral aspect of head of C. falini; (11) protibia, profemur, protarsus, and pro-pretarsus of C. falini; (12) ventral aspect of prothorax of C. falini depicting position of procoxae; (13) lateral aspect of head of paratype of C. swensoni; (14) dorsal, slightly oblique aspect of head of holotype of C. swensoni; (15) antenna of holotype of C. swensoni; (16) protibia, profemur, protarsus, and pro-pretarsus of paratype of C. swensoni; (17) ventral aspect of prothorax of holotype of C. swensoni depicting position of procoxae; (18) lateral aspect of head of C. bennetti; (19) dorso-frontal aspect of head of C. bennetti; (20) antenna of C. bennetti; (21) protibia, profemur, protarsus, and pro-pretarsus of paratype of C. bennetti; (22) ventral aspect of prothorax of C. bennetti depicting position of procoxae. All drawn as preserved.
Figs 23-28 in Cossonine weevils in Dominican amber (Coleoptera: Curculionidae)
Figs 23-28: Photomicrographs of Dominican amber cossonine weevils. (23) holotype of Caulophilus swensoni nov.sp. (USNM 502877); (24) paratype of C. swensoni (USNM 502666); (25) holotype of Proeces longirostrum nov.sp. (USNM 502728); (26) holotype of Stenotrupis breviscapus nov.sp. (USNM 505344); (27) holotype of Cossonus hinojosai nov.sp. (USNM 505580), dorsal aspect; (28) holotype of C. hinojosai, lateral aspect.
Figs 5-9 in Cossonine weevils in Dominican amber (Coleoptera: Curculionidae)
Figs 5-9: Micromimus orcus nov.sp. (5) lateral aspect of head of holotype (USNM 505348); (6) slightly oblique frontal aspect of head of holotype; (7) protibia, profemur, protarsus, and propretarsus of holotype (same scale as for 5 and 6); (8) lateral aspect of head of paratype (USNM 505324); (9) protibia, profemur, protarsus, and pro-pretarsus of paratype. All drawn as preserved.
Figs 1-4 in Cossonine weevils in Dominican amber (Coleoptera: Curculionidae)
Figs 1-4: Photomicrographs of Dominican amber cossonine weevils. (1) holotype of Micromimus orcus nov.sp. (USNM 505348); (2) paratype of M. orcus (USNM 5053243); (3) holotype of Caulophilus ashei DAVIS & ENGEL 2006a (AMNH DR-10-809); (4) holotype of C. falini nov.sp. (USNM 505815).
Figs 39-48 in Cossonine weevils in Dominican amber (Coleoptera: Curculionidae)
Figs 39-48: Two species of Cossonini, Stenotrupis breviscapus nov.sp. (holotype and paratype) and Cossonus hinojosai nov.sp. (holotype). (39) lateral aspect of head and anterior pronotum of S. breviscapus (USNM 504857); (40) dorsal, oblique aspect of head of S. breviscapus (USNM 504857); (41) antenna of S. breviscapus (USNM 504857); (42) protibia, profemur, protarsus, and pro-pretarsus of S. breviscapus (USNM 505344); (43) ventral aspect of prothorax showing position of procoxae of S. breviscapus (USNM 504857); (44) lateral aspect of head and pronotum of C. hinojosai (USNM 505580); (45) dorsal, slightly oblique aspect of head and pronotum of C. hinojosai; (46) antenna of C. hinojosai; (47) protibia, profemur, protarsus, and pro-pretarsus of C. hinojosai; (48) ventro-lateral oblique aspect of prosternum showing position of procoxae of C. hinojosai. All drawn as preserved.
Figs 29-38 in Cossonine weevils in Dominican amber (Coleoptera: Curculionidae)
Figs 29-38: Two species of Dryotribini, Dryotribus amplioculus nov.sp. (holotype, USNM 505329) and Paralicus abnormis nov.sp. (holotype, USNM 505350), and one of Proecini, Proeces longirostrum nov.sp. (holotype, USNM 502728). (29) dorsal oblique aspect of head and anterior pronotum of D. amplioculus; (30) protibia, profemur, protarsus, and pro-pretarsus of D. amplioculus; (31) ventrolateral oblique view of prothorax of D. amplioculus depicting position of procoxae; (32) lateral aspect of head of P. abnormis; (33) dorsal aspect of head of P. abnormis; (34) protibia, profemur, protarsus, and pro-pretarsus of P. abnormis; (35) ventral aspect of prothorax of P. abnormis depicting position of procoxae; (36) Lateral aspect of head of P. longirostrum; (37) protibia, profemur, protarsus, and pro-pretarsus of P. longirostrum; (38) dorsal oblique aspect of head of P. longirostrum. All drawn as preserved.
Figure 2 in Trapping Sweetpotato Weevil, Cylas formicarius (Coleoptera: Brentidae), with High Doses of Sex Pheromone: Catch Enhancement and Weathering Rate in Hawaii
Figure 2. Effect of lure loading on trap catch over one week of weathering. Average (± SEM) male sweetpotato weevil catch per trap per week in sweetpotato fields in the vicinity of Pepeekeo, Hawaii, in traps baited with one of three different loadings of male sweetpotato weevil attractant. Catch results are from the first week following initial trap deployment with five traps for each loading, deployed in a randomized complete block design (average of three separate trials). Bars labeled with the same letter are not significantly different at the α = 0.05 level.
Figure 1 in Trapping Sweetpotato Weevil, Cylas formicarius (Coleoptera: Brentidae), with High Doses of Sex Pheromone: Catch Enhancement and Weathering Rate in Hawaii
Figure 1. Map of weathering trial showing locations of fields where traps with lures were placed (developed using ArcGIS [ESRI 2012]). Traps were initially deployed at Site 1 on 14 February, 2012, and moved on to Sites 2, 3, 4, and 5 over the course of the weathering trial. The weathering time of the traps at each site was as follows: (Site 1) first 8 weeks; (Site 2) weeks 9–16; (Site 3) weeks 17–24; (Site 4) weeks 25–40; and (Site 5) week 41 (assessment). A weather station was maintained over the course of the weathering trial and was located at Site 2 for the first 16 weeks and then located at the location of the filled circle on the map for the remaining weeks of the trial.
Figure 4. Trial 4 in Trapping Sweetpotato Weevil, Cylas formicarius (Coleoptera: Brentidae), with High Doses of Sex Pheromone: Catch Enhancement and Weathering Rate in Hawaii
Figure 4. Trial 4 results: Effect of weathering over 40 weeks on trap catch. Decline in sweetpotato weevil catch/trap/week over 40 weeks in traps baited with (A) septum holding 1.0 mg male lure (see text for calculated exponential decay curve), and (B) septum holding 120 μg male lure (see text for calculated exponential decay curve). Calculated septum age where catch is 50% of fresh catch is presented for each curve.
Figure 2 in Developmental differences of local populations of alfalfa weevil (Hypera postica) (Coleoptera: Curculionidae)
Figure 2. Age vs. immature stage survival rates of Iranian population of Hypera postica (Hamedan, Karaj, Tuyserkan, Jovein).
Figure 2 in The first record of Greek endemic weevil Hypera (Boreohypera) moczarskii (Coleoptera: Curculionoidea, Curculionidae) in Central Serbia, with elements for species redescription
Figure 2. Male's body shape, head, and aedeagus (dorsal and lateral view): a) H. (B.) diversipunctata, b) H. (B.) moczarskii.
Figure 3 in Insecticidal effect of diatomaceous earth and dolomite powder against Corn weevil Sitophilus zeamais Motschulsky, 1855 (Coleoptera: Curculionidae)
Figure 3. Pictures of Sitophilus zeamais control taken by scanning electron microscopy (SEM). A. Dorsal view: trichoid sensilla (Se), sensilla (S), antenna (A), rostrum (R), elytrum (E). Bar = 500 µm. B. Rostrum and antenna: trichoid sensilla (Se), sensilla (S). Bar = 100 µm. C. Antenna: trichoid sensilla (Se). Bar = 20 µm. D. Elytrum: sensilla (S), suture (Su). Bar = 20 µm. E. Elytrum: sensilla (S), suture (Su). Bar = 50 µm. F. Abdomen, ventral view: sensilla (S). Bar = 10 µm.
Figure 2 in Insecticidal effect of diatomaceous earth and dolomite powder against Corn weevil Sitophilus zeamais Motschulsky, 1855 (Coleoptera: Curculionidae)
Figure 2. Mortality at different concentrations (mg) of diatomaceous earth and dolomite powder used for control of Sitophilus zeamais Motschulsky, 1855 (Coleoptera: Curculionidae), after different exposure times. DE:Diatomaceous earth and DOL: Dolomite powder.
Figure 5 in Insecticidal effect of diatomaceous earth and dolomite powder against Corn weevil Sitophilus zeamais Motschulsky, 1855 (Coleoptera: Curculionidae)
Figure 5. Pictures of Sitophilus zeamais exposed to inert dusts taken by scanning electron microscopy (SEM). A. Elytrum (E) of insect exposed to diatomaceous earth: sensilla (S), suture (Su). Bar = 200 µm. B. Elytrum (E) of insect exposed to dolomite powder: sensilla (S), suture (Su). Barra = 20 µm. C. Leg of insect exposed to dolomite powder: sensilla (S). Bar = 100 µm. D. Claw of insect exposed to dolomite powder. Bar = 50 µm.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.