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28 results for “Uroleucon”
Fig. 2 in Two new species of the aphid genus Uroleucon (Hemiptera: Aphididae) living on Grindelia in the USA
Fig. 2. Uroleucon (Lambersius) robinsoni sp. nov., holotype, apterous viviparous female (NHMUK 010121495). a. ANT III. b. Secondary rhinaria on ANT III. c. ANT VI. d. Ultimate rostral (III–V) segments. e. Siphunculus. f. Cauda.
Fig. 1. New species ofUroleucon Mordvilko, 1914 in Two new species of the aphid genus Uroleucon (Hemiptera: Aphididae) living on Grindelia in the USA
Fig. 1. New species ofUroleucon Mordvilko, 1914feeding on Grindelia Willd. a. Uroleucon (Lambersius) robinsoni sp. nov., holotype, apterous viviparous female (NHMUK 010121495) b. U. (L.) grindeliae sp. nov., holotype, apterous viviparous female (NHMUK 010121473) c. U. (L.) grindeliae sp. nov., paratype, alate viviparous female (NHMUK 010121477).
Fig. 3 in Two new species of the aphid genus Uroleucon (Hemiptera: Aphididae) living on Grindelia in the USA
Fig. 3. Uroleucon (Lambersius) grindeliae sp. nov., paratype, apterous viviparous female (NHMUK 010121474). a. ANT III. b. Secondary rhinaria on ANT III. c. ANT VI. d. Ultimate rostral (III–V) segments. e. Siphunculus. f. Cauda.
Linked collectors and determiners for: A further contribution to the knowledge of Uroleucon species (Hemiptera, Aphididae) living on Adesmia (Fabaceae) in southern South America, with description of a new species from Chile.
Natural history specimen data linked to collectors and determiners held within, "A further contribution to the knowledge of Uroleucon species (Hemiptera, Aphididae) living on Adesmia (Fabaceae) in southern South America, with description of a new species from Chile". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/d7cfa6d1-c646-45a8-bc03-30cf772c68a1">https://bionomia.net/dataset/d7cfa6d1-c646-45a8-bc03-30cf772c68a1</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/d7cfa6d1-c646-45a8-bc03-30cf772c68a1">https://gbif.org/dataset/d7cfa6d1-c646-45a8-bc03-30cf772c68a1</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: The species of Uroleucon (Hemiptera: Aphididae) living on Adesmia (Fabaceae) in Argentina, with the description of a new species.
Natural history specimen data linked to collectors and determiners held within, "The species of Uroleucon (Hemiptera: Aphididae) living on Adesmia (Fabaceae) in Argentina, with the description of a new species". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/2d16ed65-ae72-4880-b255-5bd77c201da8">https://bionomia.net/dataset/2d16ed65-ae72-4880-b255-5bd77c201da8</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/2d16ed65-ae72-4880-b255-5bd77c201da8">https://gbif.org/dataset/2d16ed65-ae72-4880-b255-5bd77c201da8</a>. Formatted as a Frictionless Data package.
Figures 1–9 in A new species of Aphidius Nees, 1818 (Hymenoptera, Braconidae, Aphidiinae) attacking Uroleucon aphids (Homoptera, Aphididae) from Iran and Iraq
Figures 1–9. Aphidius persicus sp. n. (1–8) Paratype female. (1) Head and mouthparts. (2) First and apical antennal flagellomeres. (3) Mesonotum. (4) Fore wing. (5) Propodeum. (6) Tergum 1, dorsal view. (7) Tergum 1, lateral view. (8) Genitalia. (9) Paratype male: aedeagus.
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.
FIGURE 9 in A new species of the aphid genus Uroleucon from Lebanon, with notes on the systematic positions of U. altaicum, U. bielawskii and U. mulgedii (Hemiptera: Aphididae)
FIGURE 9. Details of morphology of apterous viviparous female of Uroleucon bielawskii: (a) ANT III secondary rhinaria, (b) size and shape of secondary rhinaria, (c) ANT VI, (d) abdomen, (e) cauda.
FIGURE 7 in A new species of the aphid genus Uroleucon from Lebanon, with notes on the systematic positions of U. altaicum, U. bielawskii and U. mulgedii (Hemiptera: Aphididae)
FIGURE 7. Details of morphology of apterous viviparous female of Uroleucon altaicum: (a) ANT III secondary rhinaria, (b) size and shape of secondary rhinaria, (c) ANT VI, (d) abdomen with poorly visible scleroites (solid arrows) and postsiphuncular sclerites (dotted arrows), (e) cauda.
FIGURE 5 in A new species of the aphid genus Uroleucon from Lebanon, with notes on the systematic positions of U. altaicum, U. bielawskii and U. mulgedii (Hemiptera: Aphididae)
FIGURE 5. Abdominal sclerotization of alate viviparous females: (a) Uroleucon lebanonense, (b) Uroleucon mongolicum.
FIGURE 2 in A new species of the aphid genus Uroleucon from Lebanon, with notes on the systematic positions of U. altaicum, U. bielawskii and U. mulgedii (Hemiptera: Aphididae)
FIGURE 2. Comparison of apterous viviparous females main morphological differences: (a) secondary rhinaria on ANT III of Uroleucon lebanonense, (b) secondary rhinaria of ANT III of Uroleucon mongolicum, (c) URS of Uroleucon lebanonense, (d) URS of Uroleucon mongolicum, (e) SIPH of Uroleucon lebanonense, (f) SIPH of Uroleucon mongolicum, (g) cauda of Uroleucon lebanonense, (h) cauda of Uroleucon mongolicum.
FIGURE 1 in A new species of the aphid genus Uroleucon from Lebanon, with notes on the systematic positions of U. altaicum, U. bielawskii and U. mulgedii (Hemiptera: Aphididae)
FIGURE 1. Comparison of apterous and alate viviparous females: (a, c) Uroleucon lebanonense, (b, d) Uroleucon mongolicum.
FIGURE 4 in A new species of the aphid genus Uroleucon from Lebanon, with notes on the systematic positions of U. altaicum, U. bielawskii and U. mulgedii (Hemiptera: Aphididae)
FIGURE 4. Comparison of alate viviparous females main morphological differences: (a) secondary rhinaria on ANT III of Uroleucon lebanonense, (b) secondary rhinaria of ANT III of Uroleucon mongolicum, (c) URS of Uroleucon lebanonense, (d) URS of Uroleucon mongolicum, (e) SIPH of Uroleucon lebanonense, (f) SIPH of Uroleucon mongolicum, (g) cauda of Uroleucon lebanonense, (h) cauda of Uroleucon mongolicum.
FIGURE 3 in A new species of the aphid genus Uroleucon from Lebanon, with notes on the systematic positions of U. altaicum, U. bielawskii and U. mulgedii (Hemiptera: Aphididae)
FIGURE 3. Abdominal sclerotization of apterous viviparous females: (a) Uroleucon lebanonense, (b) Uroleucon mogolicum, (c) smooth cuticle of Uroleucon lebanonense, (d) reticulated cuticle of Uroleucon mongolicum.
FIGURE 3 in A new species of the aphid genus Uroleucon Mordvilko, 1914 (Hemiptera Sternorrhyncha: Aphididae) on Launaea acanthodes from Iran
FIGURE 3. Alate viviparous female of Uroleucon loxdalei sp. nov., a: habitus, b: ANTIII, c: ANTIV & V, d: ANTVI, e: head, f: URS, g: cauda, h: SIPH, i: 2HT.
FIGURE 4 in A new species of the aphid genus Uroleucon Mordvilko, 1914 (Hemiptera Sternorrhyncha: Aphididae) on Launaea acanthodes from Iran
FIGURE 4. Oviparous female of Uroleucon loxdalei sp. nov., a: habitus, b: ANTIII, c: ANTIV & V, d: ANTVI, e: head, f: URS, g: cauda, h: 2HT, i: SIPH, j: hind leg tibia with pseudosensoria on it.
FIGURE 2 in A new species of the aphid genus Uroleucon Mordvilko, 1914 (Hemiptera Sternorrhyncha: Aphididae) on Launaea acanthodes from Iran
FIGURE 2. Apterous viviparous female of Uroleucon loxdalei sp. nov., a: habitus, b: ANTIII, c: ANTIV & V, d: ANTVI, e: head, f: URS, g: cauda, h: 2HT, i: SIPH, j: dorsal abdominal segments.
FIGURE 6 in A new species of the aphid genus Uroleucon Mordvilko, 1914 (Hemiptera Sternorrhyncha: Aphididae) on Launaea acanthodes from Iran
FIGURE 6. Uroleucon bielawskii (Szelegiewicz), a: habitus of apterous viviparous female, b: ANTIII of apterous viviparous female, c: abdomen along with SIPH and cauda of apterous viviparous female, d: habitus of alate viviparous female, e: ANTIII of alate viviparous female, f: abdomen along with SIPH and cauda of alate viviparous female.
FIGURE 5 in A new species of the aphid genus Uroleucon Mordvilko, 1914 (Hemiptera Sternorrhyncha: Aphididae) on Launaea acanthodes from Iran
FIGURE 5. Alate male of Uroleucon loxdalei sp. nov., a: habitus, b: ANTIII, c: ANTIV & V, d: ANTVI, e: head, f: cauda & genitalia, g: URS, h: 2HT, i: SIPH.
FIGURE 2 in The species of Uroleucon (Hemiptera: Aphididae) living on Adesmia (Fabaceae) in Argentina, with the description of a new species
FIGURE 2. Unrooted neighbor-joining dendrogram of selected South American native Uroleucon species (see Table 1) and Northern Hemisphere Uroleucon species, derived from Tamura-Nei distances calculated from mitochondrial tRNAleu-COII sequences (Table 3).
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