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218 results for “Aculeata”
Fig. 1 in New wasps and bees for the fauna of the Canary Islands (Hymenoptera, Aculeata)
Fig. 1. Nesting site of Cerceris chlorotica near Costa Calma on Fuerteventura.
Abb. in Mitteleuropäische Wälder als Primärlebensraum von Stechimmen (Hymenoptera, Aculeata)
Abb.
Data from: Ensuring pollinator presence in expanding oil crops: The case of Mystrops debilis (Nitidulidae) and the macauba palm (Acrocomia aculeata, Arecaceae)
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Using a coalescent approach to assess gene flow and effective population size of Acrocomia aculeata (Jacq.) Lodd. Ex Mart. in the Brazilian Atlantic Forest
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FIGURE 2 in Biodiversity of the aculeate wasps (Hymenoptera: Aculeata) of the Arabian Peninsula: Overview
FIGURE 2. Proportions of the different Arabian aculeate wasp species from different biogeographical realms.
FIGURE 1 in Biodiversity of the aculeate wasps (Hymenoptera: Aculeata) of the Arabian Peninsula: Overview
FIGURE 1. Map of Arabian Peninsula countries and borders (realms based on Sclater 1858; Wallace 1876; Corbet 1948; Larsen 1984; Vigna Taglianti et al. 1999). AF = Afrotropical; IM = Indo-Malayan; PA = Palaearctic.
FIGURES 7–11. Male Striaria aculeata, n in The millipede family Striariidae Bollman, 1893: III. Four new species of Striaria Bollman, 1888 (Diplopoda, Chordeumatida, Striariidae) from Idaho, USA
FIGURES 7–11. Male Striaria aculeata, n. sp. 7. Specialized seta of prefemur of legpair 3. 8. Specialized seta of distal tibia of legpair 3. 9. Gonopods, anterior view. 10. Right gonopod, mesal view. 11. Left gonopod, lateral view. Abbreviations: aac, anterior angiocoxite; cx, coxa; fc, flagellocoxite; lcc, lateral lobe of colpocoxite; pac, posterior angiocoxite; s, sternum.
FIGURES 1–6. Male Striaria aculeata, n in The millipede family Striariidae Bollman, 1893: III. Four new species of Striaria Bollman, 1888 (Diplopoda, Chordeumatida, Striariidae) from Idaho, USA
FIGURES 1–6. Male Striaria aculeata, n. sp. 1. Head and collum, lateral view; 2. Lateral view of head, showing ommatidia (e) and Tömösváry organ (to); 3. Right leg 1, posterior view. 4. Specialized setae of femur and tibia of leg 1. 5. Legpair 2, posterior view. 6. Legpairs 3–5, anterioventral view. Abbreviations: cf, coxal flask; col, collum; cs, cuticle surface; ct, cerotegument; cx3, coxa of leg 3; cxt2, coxotrochanter of leg 2; e, ocularium; lab, labrum; lh, labral hook; man, mandible; pcb, postcoxal bar; pf2, prefemur of leg 2; pf3, prefemur of leg 3, s, sternum to, Tömösváry Organ; tr1, tarsus of leg 1; tp2, trochanteral process of leg 2; vd, openings of vasa deferentia.
Data from: Mating system and genetic composition of the macaw palm (Acrocomia aculeata): implications for breeding and genetic conservation programs
Acrocomia aculeata (Arecaceae), a palm endemic to South and Central America, is a potential oil crop. Knowledge of the mating system of this species is limited to its reproductive biology and to studies using molecular markers. The present study analyzed genetic diversity between its developmental stages and determined its prevailing mating system in order to support genetic conservation and breeding programs. We tested nine microsatellite markers in 27 mother trees (adult plants) and 157 offspring (juvenile plants) from the southeastern region of Brazil. Heterozygosity levels differed between the two studied life stages, as indicated by the fixation index of adult and juvenile trees, suggesting that selection against homozygotes occurs during the plant life cycle. The mating system parameters analyzed indicate that A. aculeata is predominantly outcrossing (allogamous). However, its low levels of selfing suggest that there is individual variation with regard to self-incompatibility, which can be a survival strategy in isolated or fragmented habitats. Deviations in variance effective size were detected because of high mating rates among relatives and correlated matings. These findings indicate that the main source of inbreeding results from biparental inbreeding in the population and that the progenies are predominantly composed of full-sibs. The information provided by this study on the ecology and reproduction dynamics of A. aculeata should be useful to both breeding and genetic conservation programs, allowing the development of more precise mathematical models and the estimation of the appropriate number of mother trees for seed collection.
Data from: Population structure of mycobionts and photobionts of the widespread lichen Cetraria aculeata
Lichens are symbioses between fungi (mycobionts) and photoautotrophic green algae or cyanobacteria (photobionts). Many lichens occupy large distributional ranges covering several climatic zones. So far, little is known about the large scale phylogeography of lichen photobionts and their role in shaping the distributional ranges of lichens. We studied south polar, temperate and north polar populations of the widely distributed fruticose lichen Cetraria aculeata. Based on DNA sequences from three loci for each symbiont we compared the genetic structure of mycobionts and photobionts. Phylogenetic reconstructions and Bayesian clustering methods divided the mycobiont and photobiont datasets into three groups. An AMOVA shows that the genetic variance of the photobiont is best explained by differentiation between temperate and polar regions and that of the mycobiont by an interaction of climatic and geographical factors. By partialling out the relative contribution of climate, geography and co-dispersal we found that the most relevant factors shaping the genetic structure of the photobiont are climate and a history of co-dispersal. Mycobionts in the temperate region are consistently associated with a specific photobiont lineage. We therefore conclude that a photobiont switch in the past enabled Cetraria aculeata to colonize temperate as well as polar habitats. Rare photobiont switches may increase the geographic range and ecological niche of lichen mycobionts by associating them with locally adapted photobionts in climatically different regions and, together with isolation by distance, may lead to genetic isolation between populations and thus drive the evolution of lichens.
FIGURES 2A–E. Diamesa aculeata new species. A in New species of Diamesa (Diptera: Chironomidae) from Tibet: conspecific males and females associated with mitochondrial DNA
FIGURES 2A–E. Diamesa aculeata new species. A, male genitalia in dorsal view. B, ventral view of pars ventralis, aedeagal lobe, basal plate and ventromesal margin of gonocoxite IX. C, ventral view of cuspidate microtrichia along dorsomesal edge of medial field. D, apex of anal point. E, female genitalia in lateral view.
FIGURE 46 in New species of Bairdioidea (Crustacea, Ostracoda) from the Southern Ocean and discussions on Bairdoppilata simplex (Brady, 1880),? Bairdoppilata labiata (Müller, 1908) and Bythopussella aculeata (Müller, 1908) *
FIGURE 46. Bythopussella brandtae sp. nov. Legend: A–F, holotype A M (ZMH K41320, SNB 0281). A, RV, ev, B, LV, ev, C, AI, D, AII, E, Md; F, MxI. Scale bars: A, B, 500µm; C–F, 100 µm.
FIGURE 47 in New species of Bairdioidea (Crustacea, Ostracoda) from the Southern Ocean and discussions on Bairdoppilata simplex (Brady, 1880),? Bairdoppilata labiata (Müller, 1908) and Bythopussella aculeata (Müller, 1908) *
FIGURE 47. Bythopussella brandtae sp. nov.: A, F, paratype A F (ZMH K41358, SNB 0282); B, C, D, holotype A M (ZMH K41320, SNB 0281). E, paratype A F (ZMH K41358, SNB 0283). A, ApV; B, ApVI; C, ApVII; D, Fu; E, F, genital lobes, G, RV, ev; H, LV, ev. Scale bars: A–C, 100µm; D–F, 50µm; G, H, 500µm.
FIGURE 43 in New species of Bairdioidea (Crustacea, Ostracoda) from the Southern Ocean and discussions on Bairdoppilata simplex (Brady, 1880),? Bairdoppilata labiata (Müller, 1908) and Bythopussella aculeata (Müller, 1908) *
FIGURE 43. Length: height scatter plot of the valves of Bythopussella aculeata (Müller, 1908), Bythopussella brandtae sp. nov. and Bythopussella sp. aff. B. brandtae sp. nov.
FIGURE 42 in New species of Bairdioidea (Crustacea, Ostracoda) from the Southern Ocean and discussions on Bairdoppilata simplex (Brady, 1880),? Bairdoppilata labiata (Müller, 1908) and Bythopussella aculeata (Müller, 1908) *
FIGURE 42. Bythocypris weddellensis sp. nov. Legend: A–F, holotype A M (ZMH K41325, SNB 0191); G, H, paratype A F (ZMH K41326, SNB 0251). A–C, ApV; D, ApVI; E, ApVII; F, G, Fu; H, genital lobe. Scale bars: A, B, D–H, 100µm; C, 50µm.
FIGURE 37 in New species of Bairdioidea (Crustacea, Ostracoda) from the Southern Ocean and discussions on Bairdoppilata simplex (Brady, 1880),? Bairdoppilata labiata (Müller, 1908) and Bythopussella aculeata (Müller, 1908) *
FIGURE 37. Bythocypris richarddinglei sp. nov. Legend: A–F, holotype, A F (ZMH K41289, SNB 0253). A, RV ev, B, LV ev, C, AI, D, AII, E, Md, F, MxI. Scale bars: A–B, 500µm; C–F, 100 µm.
FIGURE 41 in New species of Bairdioidea (Crustacea, Ostracoda) from the Southern Ocean and discussions on Bairdoppilata simplex (Brady, 1880),? Bairdoppilata labiata (Müller, 1908) and Bythopussella aculeata (Müller, 1908) *
FIGURE 41. Bythocypris weddellensis sp. nov. Legend: nov. A–G, holotype A M (ZMH K41325, SNB 0191). A, LV, ev, B, RV, ev, C, AI, D, AII, E, AII, detail of distal part; F, Md; G, MxI. Scale bars: A, B, 500µm; C, D, F, G, 100 µm; E, 50 µm.
FIGURE 38 in New species of Bairdioidea (Crustacea, Ostracoda) from the Southern Ocean and discussions on Bairdoppilata simplex (Brady, 1880),? Bairdoppilata labiata (Müller, 1908) and Bythopussella aculeata (Müller, 1908) *
FIGURE 38. Bythocypris richarddinglei sp. nov. Legend: A–C, E, G, holotype, A F (ZMH K41289, SNB 0253); D, F, H, paratype, A F (ZMH K41290, SNB 0095); I, paratype, A F (ZMH K41292, SNB 0250). A–B, ApV; C, ApVI; D–E, Fu; F–I, genital lobe. Scale bars: 100µm.
FIGURE 36 in New species of Bairdioidea (Crustacea, Ostracoda) from the Southern Ocean and discussions on Bairdoppilata simplex (Brady, 1880),? Bairdoppilata labiata (Müller, 1908) and Bythopussella aculeata (Müller, 1908) *
FIGURE 36. Bythocypris polarsterni sp. nov. and B. sp. aff. B. polarsterni sp. nov. Legend: A–D, holotype, A F (ZMH K41314, SNB 0137). B. sp. aff. B. polarsterni sp. nov.: E, F, A F (ZMH K41319, SNB 0269). A, ApVI; B, ApVII; C, Fu; D, genital lobe; E, RV ev, F, LV ev. Scale bars: A–D, 100µm; E, F, 500µm.
FIGURE 35 in New species of Bairdioidea (Crustacea, Ostracoda) from the Southern Ocean and discussions on Bairdoppilata simplex (Brady, 1880),? Bairdoppilata labiata (Müller, 1908) and Bythopussella aculeata (Müller, 1908) *
FIGURE 35. Bythocypris polarsterni sp. nov. Legend: A–F, holotype, A F (ZMH K41314, SNB 0137). A, RV ev, B, LV ev, C, AI, D, AII, E, distal podomeres of AII; F, Md, G, ApV. Scale bars: A–B, 500µm; C–G, 100 µm.
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