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201 results for “treehopper”
Data from: Temperature coupling of mate attraction signals and female mate preferences in four populations of Enchenopa treehoppers (Hemiptera: Membracidae)
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Data from: Phylogenomic insights into helmet evolution in Neotropical treehoppers (Hemiptera: Membracidae): Conserved morphological complexity across five subfamilies
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Data from: A phylogeny of the treehopper subfamily Heteronotinae reveals convergent pronotal traits (Hemiptera: Auchenorrhyncha: Membracidae)
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Ant predation towards termite and treehopper baits in the Ecuadorian Amazon
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The function of prolonged copulations in monandrous Enchenopa treehoppers (Hemiptera: Membracidae)
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The function of the female mimic signal in Enchenopa binotata treehoppers
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Temporal and spectral description of an additional signal type of male treehoppers
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FIGURE 1. Habitus, hind wing. A in An unusual new genus and species of centrotine treehopper (Hemiptera: Membracidae: Centrotinae) from Nicaragua
FIGURE 1. Habitus, hind wing. A) Kaikaia gaga holotype female (BOM_10000130), lateral habitus view. B) K. gaga holotype female (BOM_10000130), anterior habitus view. C) K. gaga holotype female (BOM_10000130), dorsal habitus view. D) K. gaga holotype female (BOM_10000130), hind wing.
Figs. 1, 2 in Do Nymphs Of The Treehopper Stictolobus Minutus (Funkhouser) (Hemiptera: Membracidae) Specialize On Grasses?
Figs. 1, 2. Buck Creek Serpentine Barrens, Clay County, North Carolina, and host plant of Stictolobus minutus. 1, Grassy corridor, with patches of big bluestem, in woodland surrounded by stunted trees and shrubs. 2, Big bluestem (Andropogon gerardii; Poaceae).
FIGURE 8 in First Description of Adult Males of Four Species of the Treehopper genus Tricentrus Stål from China (Hemiptera, Membracidae, Centrotinae, Tricentrini)
FIGURE 8. Tricentrus oedothorectoidis Yuan & Fan, 2002 A, B) Female genitalia, lateral view, ventral view. C) First valvula. D, F) Second valvula, apical of second valvula. E) Third valvulae (gonoplac). Scale bar = 0.5mm.
FIGURE 6 in First Description of Adult Males of Four Species of the Treehopper genus Tricentrus Stål from China (Hemiptera, Membracidae, Centrotinae, Tricentrini)
FIGURE 6. Tricentrus oedothorectoidis Yuan & Fan, 2002 A, B, C) Female, lateral view, dorsal view, frontal view. D, E, F) Male, lateral view, dorsal view, frontal view. G) Metathoracic leg. H) Forewing. I) Hindwing. Scale bar = 1mm.
FIGURE 5 in First Description of Adult Males of Four Species of the Treehopper genus Tricentrus Stål from China (Hemiptera, Membracidae, Centrotinae, Tricentrini)
FIGURE 5. Tricentrus foliocornatus Yuan & Fan, 2002 A, B, D) Male habitus, frontal view, lateral view, dorsal view. C) Metathoracic leg. E) Forewing. F) Hindwing. G, H, J) Male genitalia, lateral view, ventral view, posterior view. I, L) Aedeagus, lateral view, posterior view. K) Lateral plate, posterior view. M) Style, dorsal view. Scale bar: 1mm (A–F), 0.2mm (G–M).
FIGURE 2. Tricentrus albipennis Kato, 1930 A, C, D in First Description of Adult Males of Four Species of the Treehopper genus Tricentrus Stål from China (Hemiptera, Membracidae, Centrotinae, Tricentrini)
FIGURE 2. Tricentrus albipennis Kato, 1930 A, C, D) Male genitalia, lateral view, posterior view, ventral view. B) Lateral plate, posterior view. E, F) Aedeagus, posterior view, lateral view. G) Style, dorsal view. Scale bar = 0.2mm.
FIGURE 4 in First Description of Adult Males of Four Species of the Treehopper genus Tricentrus Stål from China (Hemiptera, Membracidae, Centrotinae, Tricentrini)
FIGURE 4. Tricentrus floripinnae Yuan & Cui, 1987 A, B, C) Male habitus, frontal view, lateral view, dorsal view. D) Forewing. E) Hindwing. F) lateral plate, posterior view. G, H, J) Male genitalia, lateral view, posterior view, ventral view. I, K) Aedeagus, posterior view, lateral view. L) Style, dorsal view. M) Metathoracic leg. Scale bars: 0.5mm (A–E, M), 0.2mm (F–L).
Data from: Local population density and group composition influence signal-preference relationships in Enchenopa treehoppers (Hemiptera: Membracidae)
Many animals exhibit social plasticity—changes in phenotype or behavior in response to experience with conspecifics—that change how evolutionary processes like sexual selection play out. Here, we asked whether social plasticity arising from variation in local population density in male advertisement signals and female mate preferences influences the form of sexual selection. We manipulated local density and determined whether this changed how the distribution of male signals overlapped with female preferences—i.e., the signal-mate preference relationship. We specifically look at the shape of female mate preference functions, which, when compared to signal distributions, provide hypotheses about the form of sexual selection. We used Enchenopa binotata treehoppers, a group of plant feeding insects that exhibit natural variation in local densities across individual host plants, populations, species, and years. We measured male signal frequency and female preference functions across the density treatments. We found that male signals varied across local social groups, but not according to local density. By contrast, female preferences varied with local density—favoring higher signal frequencies in denser environments. Thus, local density changes the signal-preference relationship and, consequently, the expected form of sexual selection. We found no influence of sex ratio on the signal-preference relationship. Our findings suggest that plasticity arising from variation in local group density and composition can alter the form of sexual selection with potentially important consequences both for the maintenance of variation and for speciation.
FIGURE 12. Antianthe group and Tropidarnis I in Morphology-based phylogenetic analysis of the treehopper tribe Smiliini (Hemiptera: Membracidae: Smiliinae), with reinstatement of the tribe Telamonini
FIGURE 12. Antianthe group and Tropidarnis I: A, Hemicardiacus saundersi Plummer, head and pronotum from anterior aspect, holotype, #71-363d3: 1, pronotal humeral angles long, narrowed, and with anterior margin contacting lateral margin of eye. B, Antianthe expansa (Germar), head from anterior aspect, #11-005aƤ: 1, frontoclypeus ventral margin appearing carinate, without ventral projection; 2, pronotal lateral supraocular callosities complete. C, Tropidarnis tectigera Fowler, head from anterior aspect, #72-10fƤ: 1, frontoclypeus ventral margin with rounded projection. D, T. tectigera, row 1 of right metathoracic leg, #72-10fƤ.
FIGURE 14. Antianthe group and Tropidarnis II in Morphology-based phylogenetic analysis of the treehopper tribe Smiliini (Hemiptera: Membracidae: Smiliinae), with reinstatement of the tribe Telamonini
FIGURE 14. Antianthe group and Tropidarnis II: A, Antianthe expansa (Germar), male style from posterior aspect, #09- 183a3: 1, style clasp from posterior aspect angled laterally. B, Tropidarnis tectigera Fowler, male style from posterior aspect, #72-10g3: 1, style clasp from posterior aspect vertical. C, A. expansa, aedeagus from lateral aspect, #09-183a3. D, Tropidarnis tectigera, aedeagus from lateral aspect, #72-10g3. E, A. expansa, connective from dorsal aspect #09-183a3. F, A. expansa, female second valvulae from lateral aspect, #09-183bƤ: 1, second valvulae with middle and apical large teeth distinctly closer; 2, second valvulae basal teeth. a, aedeagus. c, style clasp. cn, connective.
FIGURE 11 in Morphology-based phylogenetic analysis of the treehopper tribe Smiliini (Hemiptera: Membracidae: Smiliinae), with reinstatement of the tribe Telamonini
FIGURE 11. Selected male styles, aedeagi, and connectives, and character states in the analysis. A, Ophiderma flavicephala Goding, style in ventral aspect, #09-171c3: 1, style clasp with additional tooth; 2, style shank margin with additional small teeth. B, O. flavicephala, styles and aedeagus in posterior aspect, #09-171c3: 1, style clasp shape visible from posterior aspect, angled laterally, and broadened dorsally. C, Smilia camelus (Fabricius), aedeagus from lateral aspect, #09-160g3. D, Archasia belfragei Stål, aedeagus from lateral aspect, #09-160c3. E, Xantholobus muticus (Fabricius), male genitalia from posterior aspect, #09-171e3: 1, aedeagus with distinct dorsal head. F, X. muticus, #09-171e3: 1, male connective with medial projection on anterior edge (in ventral aspect). a, aedeagus.
FIGURE 10 in Morphology-based phylogenetic analysis of the treehopper tribe Smiliini (Hemiptera: Membracidae: Smiliinae), with reinstatement of the tribe Telamonini
FIGURE 10. Selected female second valvulae (A–C) and male styles (D–F) in lateral aspect, and character states in the analysis. A, Smilia camelus (Fabricius), #09-160eƤ: 1, second valvulae apex with dorsal and ventral margin converging distally, rounded; 2, second valvulae with middle and apical large teeth distinctly closer. B, Cyrtolobus vau (Say), #09-174dƤ: 1, second valvulae distal small teeth. C, Archasia belfragei Stål, #09-160aƤ: 1, second valvulae with 3 large teeth distally; 2, second valvulae apex with dorsal and ventral margin converging proximally, acuminate. D, Xantholobus muticus (Fabricius), #09-171e3: 1, style clasp rounded with small recurved tooth. E, Cyrtolobus fuliginosus (Emmons), #09-172a3: 1, style clasp slightly rounded with large tooth, not strongly recurved. F, A. belfragei, #09-160c3: 1, style clasp angular with large recurved tooth; 2, style shank with pre-apical broadening.
FIGURE 6 in Morphology-based phylogenetic analysis of the treehopper tribe Smiliini (Hemiptera: Membracidae: Smiliinae), with reinstatement of the tribe Telamonini
FIGURE 6. Selected taxa in anterior and lateral aspects, and character states in the analysis. A, Heliria cristata (Fairmaire): 1, pronotal humeral angles enlarged, triangular and stout; 2, pronotal lateral supraocular callosities incomplete and broken. B, H. cristata, #72-9c3: 1, apical segment of proboscis noticeably shorter than penultimate segment (proboscis appearing long). C, Glossonotus univittatus (Harris): 1, dorsal margin of head with abrupt rise near eyes; 2, ocelli closer to each other than to compound eyes; 3, pronotal humeral angles slightly enlarged and somewhat rounded apically. D, Cyrtolobus arcuatus (Emmons): 1, ocelli roughly equidistant to each other and compound eyes; 2, dorsal margin of head straight or very slightly curved; 3, pronotal humeral angles not enlarged.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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