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201 results for “treehopper”
FIGURE 10. A in Contributions on the treehopper genus Ennya Stål, 1866 (Hemiptera: Membracidae) with two new species from Ecuador
FIGURE 10. A. Locality records for the species of Ennya with known distribution in Ecuador (Red star: E. lamariela, Yellow star: E. allkukiru, Black point: E. chlorizans, Pink point: E. funkhouseri, Blue point: E. chrysura, Orange point: E. sobria, Gray point: E. scaromizzonoi), B. Forest patch in Pillaro, C–D. La Mariela forest in Moraspungo (Photo by David Brito).
FIGURE 3 in First records of the treehopper Trichaetipyga infantilis (Ball, 1937) in Ecuador with the description of its nymph and notes of natural history, and morphology
FIGURE 3. Trichaetipyga infantilis in its natural environment. A. nymph on stalk base of Paspalum sp., B. adult on spike of Paspalum sp., C. adult on a leaf of Ipomoea sp.
FIGURE 2 in First records of the treehopper Trichaetipyga infantilis (Ball, 1937) in Ecuador with the description of its nymph and notes of natural history, and morphology
FIGURE 2. Trichaetipyga infantilis female. Abdomen: A. lateral view, B. ventral view. C. gonoplac in lateral view. First valvula: D. lateral view, E. close-up of anterior portion. Second valvula, F. lateral view, G. close-up of anterior portion, H. closeup of apex.
FIGURE 1. Trichaetipyga infantilis habitus. A in First records of the treehopper Trichaetipyga infantilis (Ball, 1937) in Ecuador with the description of its nymph and notes of natural history, and morphology
FIGURE 1. Trichaetipyga infantilis habitus. A. male in lateral view. Female: B. frontal view, C. lateral view, D. dorsal view. Nymph: E. frontal view, F. lateral view.
FIGURE 4 in First records of the treehopper Trichaetipyga infantilis (Ball, 1937) in Ecuador with the description of its nymph and notes of natural history, and morphology
FIGURE 4. Distribution of Trichaetipyga infantilis. Red circle: type locality (Acapulco, México), yellow square with symbol "?": doubtful records, blue triangle: new records from Ecuador, white squares: other records from literature.
Lagged effects of herbivory impact host-choice but not nymphal survivorship in an ant-protected treehopper
<p>Theoretical studies have shown that in protection mutualism, modification of top-down control by protectors may be destabilizing. Central to this prediction are the assumptions that 1) protection mutualism increases the abundance of protected partners, 2) this increased abundance generates a lagged effect on partner resources, and 3) spatial dynamics can be ignored. Although a number of studies have confirmed that protection mutualism can increase the abundance of protected herbivores, the evidence for a negative effect of protected herbivores on plant quality is mixed, and we are unaware of any studies that have explored the effect of protected herbivores on plant quality across growing seasons. Here, we use the protection mutualism between ants and the treehopper <em>Publilia concava</em> to evaluate the assumption that treehopper herbivory has a lagged effect on plant quality. We also evaluated whether ant-protection exacerbated the negative effect of treehoppers on their host plants. We used a two-way factorial design that manipulated ant and treehopper presence on goldenrod host plants in one year, and assessed oviposition and survivorship on those same plants in the subsequent year. Treehopper herbivory was associated with a decrease in the probability of oviposition and female treehoppers laid significantly fewer egg masses on plants that had been fed on the previous year, regardless of ant-tending. In contrast, a prior history of herbivory had no impact on future treehopper performance as measured by nymph survival. Ant tending increased treehopper abundance and exacerbated the risk of plant mortality but otherwise did not significantly modify the negative effect of treehopper herbivory on plant quality or future treehopper performance. Although the increase in treehopper abundance associated with ant-tending and the lagged oviposition response of treehoppers is consistent with the core assumptions of a model showing that mutualism can be destabilizing, the avoidance of previously occupied plants for oviposition is not. These results highlight the importance of future modeling studies that explore spatiotemporal dynamics in protection mutualism, and long-term field studies that track the effect of mutualism across years.</p>
FIGURE 6 in A new genus and a new species of treehopper (Hemiptera: Membracidae) from the páramo of Tatamá in Colombia
FIGURE 6. Some important morphological traits in Membracinae. Lateral view: A) Bolbonota sp. (Membracini); B) Alchisme grossa (Hoplophorionini), C) Leioscyta cf. spiralis (Membracini). Lateral view abdomen: D) Bolbonota sp.; E) Notocera crassicornis (Hypsoprorini); F) Cladonota apicalis (Hypsoprorini). mst: mesothoracic tarsus; mtt: metathoracic tarsus.
FIGURE 3 in A new genus and a new species of treehopper (Hemiptera: Membracidae) from the páramo of Tatamá in Colombia
FIGURE 3. Oropedium tatamaense sp. nov. A) Frontal view, B) dorsal view, C) lateral view, D) frontolateral view. lc: lateral carinae.
FIGURE 5 in A new genus and a new species of treehopper (Hemiptera: Membracidae) from the páramo of Tatamá in Colombia
FIGURE 5. Some important morphological traits in Membracinae. Frontal view: A) Aconophora flavipes (Aconophorini), B) Enchenopa concolor (Membracini), C) Philya sp. (Hypsoprorini), D) Talipes fenestratus (Talipedini), E) Bolbonota sp. (Membracini). F) Alchisme grossa (Hoplophorionini). Lateral view: G) A. flavipes, H) E. concolor, I) Philya sp., J) T. fenestratus. ac: accessory carinae; apl: apical limbus; cl: clavus; fc: frontoclypeus; ha: humeral angles; irr: irregular carinae; lap: lateral apical carina; lc: lateral carina; Rb: vein R bifurcation; sa: supra-antennal ledges; shc: suprahumeral carina; *: extra-crossveins.
FIGURE 4 in A new genus and a new species of treehopper (Hemiptera: Membracidae) from the páramo of Tatamá in Colombia
FIGURE 4. Male abdomen and genitalia of Oropedium tatamaense sp. nov.: Abdomen views: A) Dorsal, B) ventral, C) lateral. Pygofer views: D) ventral, E) lateral. Subgenital plate views: F) ventral, G) dorsolateral. Styles views: H) ventral, I) dorsal, J) lateral. Aedeagus views: K) lateral, L) posterolateral, M) anterolateral, N) caudal. tr: transversal ridge.
FIGURE 2 in A new genus and a new species of treehopper (Hemiptera: Membracidae) from the páramo of Tatamá in Colombia
FIGURE 2. Live individual, host plant and habitat of Oropedium tatamaense sp. nov. A and B) Live individual. C) Early instar nymph of a treehopper in the same host plant as O. tatamaense sp. nov. (NOTE: I cannot determine if this nymph is O. tatamaense). D and E) habit of its host plant (Ericaceae). F, G and H) photos of the Páramo of Tatamá and its vegetation.
FIGURE 1 in A new genus and a new species of treehopper (Hemiptera: Membracidae) from the páramo of Tatamá in Colombia
FIGURE 1. Known record of Oropedium tatamaense sp. nov. The arrow indicates 'Piedra Bomba' (3750 masl), the place where specimens were collected.
FIGURE 8 in Andinodarnis gen. nov., a new treehopper genus from the Andes (Hemiptera: Membracidae: Darninae)
FIGURE 8. Distribution map of Andinodarnis pectoralis comb. nov. (Stål, 1869) and A. atromeris sp. nov. (A) Belmira (Colombia: Antioquia), (B) PNN Tatamá (Colombia: Risaralda: Pueblo Rico), (C) San Rafael—Sibundoy (Colombia: Putumayo).
FIGURE 6 in Andinodarnis gen. nov., a new treehopper genus from the Andes (Hemiptera: Membracidae: Darninae)
FIGURE 6. Male genitalia of Andinodarnis atromeris sp. nov. Pygofer: (A) lateral view, (B) ventral view. (D) Subgenital plates in lateral view. (C, E–G) Aedeagus in lateral, posterior, caudal, and anterior view, respectively.
FIGURE 7 in Andinodarnis gen. nov., a new treehopper genus from the Andes (Hemiptera: Membracidae: Darninae)
FIGURE 7. Female abdomen and genitalia of Andinodarnis atromeris sp. nov. Abdomen: (A) lateral view. Female genitalia: (B) Gonoplac, (C) first valvulae, (D) close-up of apex of first valvulae, (E) second valvulae, (F) close-up of apex of second valvulae.
FIGURE 3 in Andinodarnis gen. nov., a new treehopper genus from the Andes (Hemiptera: Membracidae: Darninae)
FIGURE 3. Female abdomen and genitalia of Andinodarnis pectoralis comb. nov. (Stål, 1869). Abdomen: (A) dorsal view, (B) ventral view, (C) abdominal sternites and pleurites. Female genitalia: (D) Gonoplac. (E) first valvulae, (F) close-up of apex of first valvulae, (G) second valvulae, (H) close-up of apex of second valvulae.
FIGURE 2 in Andinodarnis gen. nov., a new treehopper genus from the Andes (Hemiptera: Membracidae: Darninae)
FIGURE 2. Andinodarnis pectoralis comb. nov. (Stål, 1869). (A–D) Female from Colombia in frontal, dorsal, lateral, and frontolateral view, respectively. (E–G) Female from Peru in frontal, dorsal and lateral view, respectively.
FIGURE 1 in Andinodarnis gen. nov., a new treehopper genus from the Andes (Hemiptera: Membracidae: Darninae)
FIGURE 1. Live pictures of Andinodarnis species. (A–B) Adults of Andinodarnis atromeris sp. nov. (C) Female of Andinodarnis pectoralis (Stål, 1869); (D) female of Aetalion cf. fissum Walker, 1851 (Aetalionidae) guarding her eggs, close to a female A. pectoralis; (E) female of A. pectoralis. (F–G) Female of A. pectoralis close to adults and an aggregation of Alchisme grossa (Fairmaire, 1846) on Solanaceae.
FIGURE 4 in Andinodarnis gen. nov., a new treehopper genus from the Andes (Hemiptera: Membracidae: Darninae)
FIGURE 4. Andinodarnis atromeris sp. nov. (A–D) Holotype male before DNA extraction in frontal, dorsal, lateral, and frontolateral view, respectively. (E–H) Holotype male after DNA extraction in frontal, dorsal, lateral, and frontolateral view, respectively.
FIGURE 5 in Andinodarnis gen. nov., a new treehopper genus from the Andes (Hemiptera: Membracidae: Darninae)
FIGURE 5. Holotype male of Andinodarnis atromeris sp. nov. (A–B) Ventrolateral view and close-up of prothoracic femur, (C) Anteroventral view of pro- and mesothoracic femora, (D) Ventral view of pro- and mesothoracic femora, (E–G) Metathoracic leg posterior view.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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