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769 results for “scale insects”
Fig. 4 in Nestedness of stream insects in Subtropical region: importance of inter-annual temporal scale
Fig. 4. Boxplot of water temperature, dissolved organic carbon (DOC), dissolved oxygen (DO), dissolved total nitrogen (DTN) and precipitation in the summer and winter of 2010, 2011 and 2012 in streams of southern Brazil (only variables with significant differences for each year).
Fig. 2 in Nestedness of stream insects in Subtropical region: importance of inter-annual temporal scale
Fig. 2. Abundance and richness of Chironomidae (Diptera) in streams of southern Brazil in the summer and winter of 2010, 2011 and 2012.
Fig. 1 in Nestedness of stream insects in Subtropical region: importance of inter-annual temporal scale
Fig. 1. Location of sampling sites in southern Brazil (F, Faxinalzinho city; E, Erechim; MR, Marcelino Ramos; TA, TrÊs Arroios).
Fig. 3 in Nestedness of stream insects in Subtropical region: importance of inter-annual temporal scale
Fig. 3. Boxplot of dissolved organic carbon (DOC), dissolved oxygen (DO), dissolved total nitrogen (DTN) and precipitation in streams of southern Brazil in the summer and winter of 2010, 2011 and 2012.
Figure 2 in First association of scale insects (Hemiptera: Diaspididae) with Salacia crassifolia (Mart. Ex Schult.) G. Don. (Celastraceae)
Figure 2. Melanaspis aristotelesi associated with Salacia crassifolia in Brasilia, Brazil. a) S. crassifolia tree infested with diaspidids. b) Upper surface of leaf highly infested with diaspidids. c) Detail of the M. aristotelesi scales.
Scale insects support natural enemies in both landscape trees and shrubs below them
<p>Scale insects are frequently abundant on urban trees. Although scales can worsen tree condition, some tree species tolerate moderate scale densities. Scales are prey for many natural enemies. Therefore, scale-infested trees may conserve natural enemies in their canopies and in nearby plants. We examined if scale-infested oaks—<em>Quercus</em> <em>phellos</em> L.—hosted more natural enemies than scale-uninfested oaks—<em>Q</em>. <em>acutissima</em> Carruth. and <em>Q</em>. <em>lyrata Walter</em> in Raleigh, NC. USA. We also tested if natural enemies were more abundant in holly shrubs (<em>Ilex</em> spp.) planted below scale-infested compared to scale-uninfested oaks. We collected natural enemies from the canopies of both tree types and from holly shrubs planted below these trees. To determine if tree type affected the abundance of natural enemies that passively dispersed to shrubs, we created hanging cup traps to collect arthropods as they fell from trees. To determine if enemies became more abundant on shrubs below scale-infested compared to scale-uninfested trees over short time scales, we collected natural enemies from holly shrubs below each tree type at three to six-day intervals. Scale-infested trees hosted more natural enemies than scale-uninfested trees and shrubs below scale-infested trees hosted more natural enemies than shrubs under scale-uninfested trees. Natural enemy abundance in hanging cup traps did not differ by tree type; however, shrubs underneath scale-infested trees accumulated more natural enemies than shrubs under scale-uninfested trees in six to nine days. Tolerating moderate pest densities in urban trees may support natural enemy communities, and thus biological control services, in shrubs below them.</p>
Figures 1–6 in Diagnosis of Spilococcus pacificus (Borchsenius, 1949) and an updated list of scale insects (Hemiptera: Coccomorpha) on pears (Pyrus L.: Rosaceae) in South Korea
Figures 1–6. Spilococcus pacificus (Borchsenius) on pear trees. 1–2) Habitus. 3) Adult female. 4) Head (black arrows: oral rim tubular ducts). 5) Hind leg (black arrow: translucent pores). 6) Anal lobe cerarius (black arrow: anal bar).
Fig. 1 in Hymenopteran parasitoids associated with scale insects (Hemiptera: Coccoidea) in tropical fruit trees in the eastern Amazon, Brazil
Fig. 1. Interactions between species of scale insects and parasitoids with the total number of interactions with each species of host plant (Jun 2014 to Aug 2015) at Maranhão Island, Maranhão, Brazil.
Fig. 1 in An update on mealybugs and scale insects (Hemiptera) on native epiphytic orchids in South Florida, including a new record for Pseudococcus microcirculus (Pseudococcidae)
Fig. 1. (a) Debris deposited by ants around the base of Prosthechea cochleata where orchid mealybugs were concealed; (b) removal of an orchid leaf sheath on a new shoot reveals a large population of mealybugs on P. cochleata; and (c) 2 orchid mealybugs on the inflorescence of Polystachya concreta.
Fig. 1 in Difference in the abundance of scale insect parasitoids among four cardinal directions
Fig. 1. Abundance of Coccophagus lycimnia captured with yellow sticky cards at the cardinal directions on willow oaks in (A) South Carolina and (B) Virginia. E = East, N = north, S = south, W = west.
Figure 7 in Five new records of soil scale insects (Hemiptera: Coccomorpha) for Indonesia
Figure 7. Microphotographs of Ripersiella sabahica (Williams, 2004). (A) Ventral section of head with six-segmented antennae (an) and eyespot (ey) full developed. (B) Labium. (C) Ventral abdominal segments III and IV with circulus on each one. (D) Hind leg. (E) Claw with ungual digitule setose. (F) Bitubular duct. (G) Oral collar tubular duct.
Figure 6 in Five new records of soil scale insects (Hemiptera: Coccomorpha) for Indonesia
Figure 6. Microphotographs of Ripersiella cryphia (Williams, 2004): (A) Five-segmented antenna. (B) Cephalic plate. (C) Claw with ungal digitule setose. (D) Venter of abdominal segments II and III with circulus in each segment. (E) Genital chamber. (F) Anal ring. (G) Ventral multilocular disc pores. (H) Bitubular ducts.
Figure 3 in Five new records of soil scale insects (Hemiptera: Coccomorpha) for Indonesia
Figure 3. Microphotographs of Rhizoecus americanus (Hambleton, 1946): (A) Section of head and thorax with antenna (an) and foreleg (al). (B) Section of abdomen with genital chamber (gc) and anal ring (ar). (C) Ventral section of abdomen with multilocular disc pores (mp) and tritubular ducts (st). (D) Submargin of abdomen with tritubular ducts.
Figure 8 in Five new records of soil scale insects (Hemiptera: Coccomorpha) for Indonesia
Figure 8. Taxonomic illustrations of antennae of (A) Rhizoecus pignerator (Williams, 2004), (B) Rhizoecus omphalius Williams, 2004 and (C) Ripersiella cryphia (Williams, 2004).
Figure 1 in Five new records of soil scale insects (Hemiptera: Coccomorpha) for Indonesia
Figure 1. Microphotographs of Pseudococcus saccharicola (Takahashi, 1928): (A) Eight-segmented antenna. (B) Eyespot without pores associated. (C) Hind leg with translucid pores in coxa (cx) and tibia (tb). (D) section of dorsal marginal area in abdominal segment I with oral rim tubular duct (or) near to cerarious (ce).
Fig. 3 in Characterization of sounds in maize produced by internally feeding insects: investigations to develop inexpensive devices for detection of Prostephanus truncatus (Coleoptera: Bostrichidae) and Sitophilus zeamais (Coleoptera: Curculionidae) in small-scale storage facilities in sub-Saharan Africa
Fig. 3. Effects of distance on detectability of larval sound impulses. Horizontal axis indicates the mean distance between the larval pouch and the sensor; vertical axis indicates the log10-transformed mean rate of impulses detected at that distance. Bars indicate the standard error of mean transformed rate.
Fig. 1 in Characterization of sounds in maize produced by internally feeding insects: investigations to develop inexpensive devices for detection of Prostephanus truncatus (Coleoptera: Bostrichidae) and Sitophilus zeamais (Coleoptera: Curculionidae) in small-scale storage facilities in sub-Saharan Africa
Fig. 1. Spectral profiles of 4 distinctive types of larval sound impulses detected in cracked corn: HaNb, solid line; Ma, dashed line, Ha, dash-dot-dotted line, and La, dotted line. Horizontal axis indicates frequency in kHz and vertical axis indicates relative spectrum amplitude in dB.
Fig. 2 in Characterization of sounds in maize produced by internally feeding insects: investigations to develop inexpensive devices for detection of Prostephanus truncatus (Coleoptera: Bostrichidae) and Sitophilus zeamais (Coleoptera: Curculionidae) in small-scale storage facilities in sub-Saharan Africa
Fig. 2. Oscillogram of sound impulses recorded 10 cm from pouch containing Sitophilus oryzae larvae. Examples of 3 types of larval sound impulse occur during the 1 s period, and one example each of type (Ha, La, and HaNb) is marked above the impulse. Horizontal axis indicates time in seconds and vertical axis indicates relative signal amplitude.
Fig. 2 in A survey of scale insects (Hemiptera: Coccoidea) in citrus orchards in São Paulo, Brazil
Fig. 2. Percentage of Citrus trees infested by each species of scale insect collected in the state of São Paulo between Sep 2014 and Sep 2015. Downloaded From: https://bioone.org/journals/Florida-Entomologist on 07 Aug 2024 Terms of Use: https://bioone.org/terms-of-use
Fig. 1 in A survey of scale insects (Hemiptera: Coccoidea) in citrus orchards in São Paulo, Brazil
Fig. 1. Map of the state of São Paulo (Brazil), indicating micro-regions where collections were conducted.
ScienceDex guides
Understand access before you commit
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.