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850 results for “Aphididae,”
Fig. 1 in Insecticidal and repellent action of pogostone against Myzus persicae (Hemiptera: Aphididae)
Fig. 1. Structure of pogostone.
Fig. 2 in A comprehensive checklist and host plants of Aphididae (Aphidomorpha: Hemiptera) from Pakistan
Fig. 2. Species diversity of host plant families and aphids in Pakistan.
Figure 1 in DNA barcoding of black cherry aphid Myzus cerasi (Fabricus, 1775) (Hemiptera: Aphididae) populations collected from Prunus avium and Prunus cerasus
Figure 1. Black cherry aphid colonies on the terminal growth of host plant (Denizli, Honaz).
Genome sequence of the sugarcane aphid, Melanaphis sacchari (Hemiptera: Aphididae)
<p><span>The sugarcane aphid, <em>Melanaphis sacchari</em> (Zehntner, 1897), is an agricultural pest that causes damage to plants in the <a name="OLE_LINK12"></a>Poaceae (the grasses) family, such as sorghum and sugarcane. However, genomic resources of this species are currently limited. Here, we used Nanopore long reads and Hi-C interaction map to generate a chromosome-level assembly with a total length of 356.1 Mb, of which 85.5% (304.6 Mb) is contained within the three autosomes and the X chromosome. <a name="OLE_LINK4"></a>Repetitive sequences accounted for 16.29% of the chromosomes and a total of 12,350 protein-coding genes were annotated, achieving 95.8% benchmarking universal single-copy orthologs (BUSCO) gene completeness. Phylogenomic analysis by comparing <em>M. sacchari</em> with twenty-four published aphid genomes representing three aphid tribes reveals that <em>M. sacchari</em> belongs to the tribe Aphidini and maintained a conserved chromosome structure with other Aphidini species. <span>T</span>he genomic resources reported in this study will be useful for understanding the evolution of aphid genomes and studying pest management of <em>M. sacchari</em>.</span></p>
Predation, functional response and demographic parameters of Orius albidipennis (Hemiptera:Anthocoridae) on Schizaphis graminum (Hemiptera:Aphididae): effect of host plant morphological attributes
<p>Plant attributes like leaf hairiness and trichome compactness diversely affect the biocontrol agents of phytophagous insect pests. In the current study, effect of physical plant features on life table characteristics and functional response of <em>Orius albidipennis </em>(Rueter) females feeding on <em>Schizaphis graminum </em>(Rondani) was investigated on two common wheat cultivars (Falat and Pishtaz) differing in leaf morphological features. The trichome density of wheat cultivars considerably influenced a broad spectrum of attributes related to the performance of <em>O. albidipennis</em>. The intrinsic rate of increase (<em>rm</em>) was significantly greater on Falat (0.09±0.006) than on Pishtaz (0.06±0.008) cultivar. Similarly, the net reproductive rate and finite rate of increase were greater on Falat (16.72±3.38 and 1.083±7.54) than on Pishtaz (8.08±2.04 and 1.067±9.49). Although <em>Orius </em>predators exhibited type III of functional response on both wheat cultivars, they had lesser searching efficiencies and higher handling times on Pishtaz than those on Falat cultivar. Moreover, the maximum attack rate (<em>T</em>/<em>Th</em>) was greater on Falat than on Pishtaz. Lesser maximum predation and greater handling time of the <em>Orius </em>predators on Pishtaz cultivar might be imputed to the significantly more condensed surface trichomes of its leaves than that of Falat leaves, which physically prevented movement of the <em>Orius </em>bugs and decreased prey encounter rate. Moreover, increase of trichome density negatively influenced on foraging behavior of the predatory bug. Females were also found to prefer wheat leaves with fewer trichomes as oviposition hosts. It seems that trichomes provided hinderance to the <em>orius </em>bug. To recapitulate, it could be stated that the efficiency of <em>O. albidipennis </em>in controlling <em>S. graminum </em>on wheat may be more beneficial in cultivars with lower trichome density.</p>
Figure 2 in General methods to obtain and analyze the complete mitochondrial genome of aphid species: Eriosoma lanigerum (Hemiptera: Aphididae) as an example
Figure 2. Steps of annotation one complete mt genome of aphid species.
Figure 1 in General methods to obtain and analyze the complete mitochondrial genome of aphid species: Eriosoma lanigerum (Hemiptera: Aphididae) as an example
Figure 1. Procedures of sequencing one complete mt genome of aphid species.
No evidence of bacterial symbionts influencing host specificity in Aphis gossypii Glover (Hemiptera: Aphididae)
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Phylogeny of Rhus gall aphids (Hemiptera: Aphididae) reveals an earlier origin than their primary host plant
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FIGURES 1–7 in Rubiaphis, a new aphid genus from the Altai Republic (Homoptera: Aphididae, Macrosiphini)
FIGURES 1–7. Rubiaphis altaicus gen. nov., sp. nov., apterous viviparous female. 1, body; 2, frons; 3, antenna; 4, ultimate rostral segments; 5, hind tarsus; 6, siphunculus; 7, cauda.
Figs. 1–2. Macrosiphum glawatz. 1 in New Macrosiphum Passerini (Hemiptera: Aphididae) Information From Western North America, Including One New Species And One New Synonymy
Figs. 1–2. Macrosiphum glawatz. 1, Head capsule and antennal segments I of aptera, dorsum. 2, Head capsule and antennal segments I of aptera, ventral surface.
Figs. 17–20. Macrosiphum mentzeliae. 17, Aptera a.s. III. 18, Alata a.s. III. 19 in New Macrosiphum Passerini (Hemiptera: Aphididae) Information From Western North America, Including One New Species And One New Synonymy
Figs. 17–20. Macrosiphum mentzeliae. 17, Aptera a.s. III. 18, Alata a.s. III. 19, Siphunculus of aptera. 20, Siphunculus of alata.
Figs. 5–8. Macrosiphum glawatz. 5, Aptera a.s. III. 6, Alata a.s. III. 7 in New Macrosiphum Passerini (Hemiptera: Aphididae) Information From Western North America, Including One New Species And One New Synonymy
Figs. 5–8. Macrosiphum glawatz. 5, Aptera a.s. III. 6, Alata a.s. III. 7, Siphunculus of aptera. 8, Siphunculus of alata.
Figs. 15–16. Macrosiphum mentzeliae. 15 in New Macrosiphum Passerini (Hemiptera: Aphididae) Information From Western North America, Including One New Species And One New Synonymy
Figs. 15–16. Macrosiphum mentzeliae. 15, Head capsule and antennal segments I of alata, dorsum. 16, Head capsule and antennal segments I of alata, ventral surface.
Figs. 3, 4. Macrosiphum tonantzin. 3 in A New Species Of Macrosiphum Passerini (Hemiptera: Aphididae) From Mexico On The Introduced Plant Pittosporum Undulatum Ventenat (Pittosporaceae)
Figs. 3, 4. Macrosiphum tonantzin. 3, Head capsule and antennal segments I of aptera, dorsum. 4, Head capsule and antennal segments I of aptera, ventral surface.
Data from: Distribution of the specialist aphid Uroleucon nigrotuberculatum (Homoptera: Aphididae) in response to host plant semiochemical induction by the gall fly Eurosta solidaginis (Diptera: Tephritidae)
Many plants use terpenoids and other volatile compounds as semiochemicals. Reception of plant volatiles by conspecifics may trigger a defensive phytochemical response. These same compounds can also function as host recognition signals for phytophagous insects. In this experiment we find that when the specialist gall-forming fly Eurosta solidaginis attacks its tall goldenrod (Solidago altissima) host plant, the fly indirectly induces a phytochemical response in nearby tall goldenrod plants. This phytochemical response may, in turn, act as a positive signal attracting the goldenrod specialist aphid Uroleucon nigrotuberculatum. Laboratory based experiments exposing ungalled tall goldenrod plants to the volatiles released by E. solidaginis galls demonstrated a consistent increase in foliar terpenoid concentrations in ungalled plants. Analysis of tall goldenrod stem and gall tissue chemistry revealed induction of terpenoids in gall tissue, with a simultaneous decrease in green leaf volatile concentrations. Field experiments demonstrated a consistent spatial relationship in tall goldenrod foliar terpenoid concentrations with distance from an E. solidaginis gall. Both laboratory and field experiments establish consistent induction of the terpene β-farnesene, and that this compound is a strong positive predictor of U. nigrotuberculatum aphid presence on goldenrod plants along with plant biomass and several other foliar terpenoids. These findings suggest E. solidaginis induced phytochemistry, especially β-farnesene, may be acting as a kairomone, driving aphid distribution in the field.
FIGURES 40–45 in Two new genera of Nearctic Chamaemyiidae (Diptera: Lauxanioidea) associated with Cinara aphids (Hemiptera: Aphididae) on Pinus
FIGURES 40–45. Vitaleucopis scopulus sp. nov., holotype ♂, genitalia. 40. Epandrial complex, lateral view. 41. Epandrial complex, posterior view. 42. Epandrial complex, posterior view tilted ventrally (showing dorsum of epandrium). 43. Hypandrial complex, dorsal view (phallus reflexed downward). 44. Phallic complex, lateral view. 45. Phallus, dorsal view. Abbreviations: c = cercus, e = epandrium, h = hypandrium, pa = phallapodeme, pg = postgonite, ph = phallus, pr = pregonite, ss = surstylus. Scale bar = 0.1 mm.
FIGURES 46–47 in Two new genera of Nearctic Chamaemyiidae (Diptera: Lauxanioidea) associated with Cinara aphids (Hemiptera: Aphididae) on Pinus
FIGURES 46–47. Vitaleucopis (undescribed species from La Crescenta, California), ♀. 46. Head and thorax, anterolateral view. 47. Abdomen, dorsal view.
FIGURES 35–39 in Two new genera of Nearctic Chamaemyiidae (Diptera: Lauxanioidea) associated with Cinara aphids (Hemiptera: Aphididae) on Pinus
FIGURES 35–39. Vitaleucopis scopulus sp. nov., holotype ♂. 35. Habitus, lateral view. 36. Head and thorax, dorsal view. 37. Head, dorsal view. 38. Head, dorsal oblique view. 39. Abdomen, dorsal view.
FIGURES 32–34 in Two new genera of Nearctic Chamaemyiidae (Diptera: Lauxanioidea) associated with Cinara aphids (Hemiptera: Aphididae) on Pinus
FIGURES 32–34. Vitaleucopis nidolkah sp. nov., paratype ♂, puparium. 32. Habitus, dorsal view. 33. Head segments, lateral view. 34. Posterior spiracles, dorsal view.
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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.