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124 results for “Aphis”
FIGURE 2 in Aphis (Hemiptera, Aphididae) species living on Baccharis (Asteraceae) in southern South America, with description of three new species
FIGURE 2. Aphis conspicua Nieto Nafría & Mier Durante, sp. n. A–D, apterous viviparous female; A, specimen with intermediate dorsal sclerotisation; B, dorso-thoracic reticulation; C, marginal tubercles on metathorax (small one placed partially on the pigmented sclerite) and abdominal segments 1, 2 and 3; D, dorso-abdominal reticulation. E–F, Alate viviparous females; E, head plus a part of prothorax, and a part of metathorax plus abdomen; F, antennal segment III. The scales vary according to specimens or parts photographed; see measurements in Table 1.
FIGURE 3 in Sexual morphs and colour variants of Aphis (formerly Toxoptera) odinae (Hemiptera, Aphididae) in Japan
FIGURE 3. Plot of the mean scores on the first two canonical variates (CVs) of 23 samples of A. odinae: a, labelled according to the host plants on which they were collected; b, labelled according to their countries of origin and colour.
FIGURE 2 in Sexual morphs and colour variants of Aphis (formerly Toxoptera) odinae (Hemiptera, Aphididae) in Japan
FIGURE 2. Colour photographs of living A. odinae: a, fundatrix with bluish black progeny; b, fundatrix with brown progeny; c, oviparae and male; d, apterous viviparae of brown form (photograph by courtesy of Dr Poorani Janakiraman); e, apterous vivipara of green form; f, colony with mixture of the two colour forms.
Selection and characterization of Beauveria bassiana isolates highly thermotolerant and toxic against Aphis gossypii (Hemiptera: Aphididae)
<p>these raw data are supporting the results of the paper entiled "<strong>Selection and characterization of <em>Beauveria bassiana </em>isolates highly thermotolerant and toxic against <em>Aphis gossypii</em> (Hemiptera: Aphididae)"</strong></p>
Data from: Implementing an evolutionary framework for understanding genetic relationships of phenotypically defined insect biotypes in the invasive soybean aphid (Aphis glycines)
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Data from: Climate effects on life cycle variation and population genetic architecture of the black bean aphid, Aphis fabae
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Data from: Genetic diversity of melon aphids Aphis gossypii associated with landscape features
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Data from:Insight into the durability of plant resistance to aphids from a demo-genetic study of Aphis gossypii in melon crops
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FIGURES 1–2 in On Aphies Duponchel & Chevrolat, 1841, Amillarus Thomson, 1857, and Aprosopus sensu Guérin-Méneville (Coleoptera, Cerambycidae, Lamiinae)
FIGURES 1–2. Catalog by Monné (2018): 1) Page 339; 2) Page 340.
Data from: Levels of clonal mixing in the black bean aphid Aphis fabae, a facultative ant mutualist
Aphids are a worldwide pest and an important model in ecology and evolution. Little is known, however, of the genetic structure of their colonies at a microgeographic level. For example, it remains largely unknown whether most species form monoclonal or polyclonal colonies. Here, we present the first detailed study on levels of clonal mixing in a nonsocial facultative ant mutualist, the black bean aphid Aphis fabae. In contrast to the earlier suggestion that colonies of this species are generally monoclonal, we found that across two subspecies of the black bean aphid, A. fabae cirsiiacanthoidis and A. fabae fabae, 32% and 77% of the aphid colonies were in fact polyclonal, consisting of a mix of up to 4 different clones, which resulted in an overall average relatedness within colonies of 0.90 and 0.79 in the two subspecies. Data further show that the average relatedness in A. f. cirsiiacanthoidis remained relatively constant throughout the season, which means that clonal erosion due to clonal selection more or less balanced with the influx of new clones from elsewhere. Nevertheless, relatedness tended to decrease over the lifetime of a given colony, implying that clonal mixing primarily resulted from the joining of preexisting colonies as opposed to via simultaneous host colonisation by several foundresses. Widespread clonal mixing is argued to affect the ecology and evolution of the aphids in various important ways, for example with respect to the costs and benefits of group living, the evolution of dispersal and the interaction with predators as well as with the ant mutualists.
FIGURE 7 in A new species of Aphis (Hemiptera: Aphididae) in Missouri on St. John's Wort, Hypericum kalmianum, and re-description of Aphis hyperici Monell
FIGURE 7. Aphis hyperici. (A) fundatrix, (B) apterous ovipara, (C) alate male.
FIGURE 37 in A new species of Aphis (Aphidinae: Aphidini) feeding on Rubus from China
FIGURE 37. Neighbor-joining tree for Aphis species feeding on Rubus based on COI sequences.
Fig. 1 in Behavioral responses of Aphis citricola (Hemiptera: Aphididae) and its natural enemy Harmonia axyridis (Coleoptera: Coccinellidae) to non-host plant volatiles
Fig. 1. Total numbers of Aphis citricola (A) and Harmonia axyridis (B) individuals from 2012 to 2015 in relation to ground cover vegetation. C + FM: catnip (Nepeta cataria) + French marigold (Tagetes patula), A + FM: ageratum (Ageratum houstonianum) + French marigold, C + A: catnip + ageratum; CK: native vegetation.
Fig. 4 in Behavioral responses of Aphis citricola (Hemiptera: Aphididae) and its natural enemy Harmonia axyridis (Coleoptera: Coccinellidae) to non-host plant volatiles
Fig. 4. Response of Aphis citricola adults to French marigold (Tagetes patula) (A) and catnip (Nepeta cataria) (B). T: Apple trees + aromatic plants; CK: apple trees only. The numbers of asterisks represent the level of significance: ** highly significant (P <0.01); * significant difference (P <0.05).
Figure 1 from: López Ciruelos SI, Brown PA, Nieto Nafría JM (2018) Two new species of the genus Aphis (Hemiptera, Aphididae) from Chile on host species of Alstroemeriaceae and Ericaceae. ZooKeys 738: 37-45. https://doi.org/10.3897/zookeys.738.21966
Figure 1 Apterous viviparous females, habitus (in part). Left, Aphis alstroemeriae; right, Aphis luzuriagae sp. n., paratype.
Figure 2 from: López Ciruelos SI, Brown PA, Nieto Nafría JM (2018) Two new species of the genus Aphis (Hemiptera, Aphididae) from Chile on host species of Alstroemeriaceae and Ericaceae. ZooKeys 738: 37-45. https://doi.org/10.3897/zookeys.738.21966
Figure 2 Aphis luzuriagae sp. n., apterous viviparous female. A end of rostrum B end of tibia and tarsus of hind leg C siphunculus D cauda and anal plate.
Figure 4 from: López Ciruelos SI, Brown PA, Nieto Nafría JM (2018) Two new species of the genus Aphis (Hemiptera, Aphididae) from Chile on host species of Alstroemeriaceae and Ericaceae. ZooKeys 738: 37-45. https://doi.org/10.3897/zookeys.738.21966
Figure 4 Aphis gaultheriae sp. n., apterous viviparous female. A end of rostrum B end of tibia and tarsus of hind leg C siphunculus D cauda.
Figure 2 in Host instars preference, density-dependent parasitism and behavioral perspective of parasitoids (Aphidius colemani, Aphidius matricariae and Aphelinus abdominalis) in Aphis glycines and Aphis gossypii
Figure 2: Parasitism percentage of parasitoids (Ad. colemani, Ad. matricariae and Al. abdominalis) on different host instars of (A) As. glycines (n= 30) and (B) As. gossypii (n= 30).
Figure 4 in Host instars preference, density-dependent parasitism and behavioral perspective of parasitoids (Aphidius colemani, Aphidius matricariae and Aphelinus abdominalis) in Aphis glycines and Aphis gossypii
Figure 4: Parasitism percentage of parasitoids (Ad. colemani, Ad. matricariae and Al. abdominalis) at different host density levels of (A) As. glycines and (B) As. gossypii. C1 (1:1) Control, C2 (10:1), C3 (50:5), C4 (100:10), C5 (200:20).
Figure 3 in Host instars preference, density-dependent parasitism and behavioral perspective of parasitoids (Aphidius colemani, Aphidius matricariae and Aphelinus abdominalis) in Aphis glycines and Aphis gossypii
Figure 3: Comparison of parasitism of parasitoids (Ad. colemani, Ad. matricariae and Al. abdominalis) on different host density levels of (A) As. glycines and (B) As. gossypii. C1 (1:1) Control, C2 (10:1), C3 (50:5), C4 (100:10), C5 (200:20).
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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