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43 results for “Ophiocordycipitaceae”
Fig. 1 in Hirsutella sp. (Hypocreales: Ophiocordycipitaceae) affecting the invasive social wasp Vespula vulgaris (Hymenoptera: Vespidae) in southern Chile
Fig. 1. Vespula vulgaris adult infected with Hirsutella sp. found in southern Chile. A. Mycotized wasp cadaver; B–C. synnema arising from the abdomen of the wasp; D. conidiogenous cells with cylindrical bases and an elongated, narrowed neck; E. conidiogenous cells and conidia. Horizontal scale bars represent 20 µm in C, D, and E.
Fig. 1 in Effect of Mexican Hirsutella citriformis (Hypocreales: Ophiocordycipitaceae) strains on Diaphorina citri (Hemiptera: Liviidae) and the predators Chrysoperla rufilabris (Neuroptera: Chrysopidae) and Hippodamia convergens (Coleoptera: Coccinellidae)
Fig. 1. Overall mean mortality of Diaphorina citri adults caused by conidia of 8 Hirsutella citriformis strains applied by contact (3 separate bioassays) under controlled conditions (26 ± 1 °C, 76 ± 4% RH, 16:8 h L:D photoperiod). Error bars represent the standard error (n = 7).
Fig. 3 in Effect of Mexican Hirsutella citriformis (Hypocreales: Ophiocordycipitaceae) strains on Diaphorina citri (Hemiptera: Liviidae) and the predators Chrysoperla rufilabris (Neuroptera: Chrysopidae) and Hippodamia convergens (Coleoptera: Coccinellidae)
Fig. 3. Mean mortality of Diaphorina citri caused by blastospores of 5 Hirsutella citriformis strains under controlled conditions (26 ± 1 °C, 76 ± 4% RH, 16:8 h L:D photoperiod) during 26 d post inoculation. Different letters indicate significant differences (Tukey's test, α = 0.05). Error bars represent the standard error (n = 7).
Fig. 1 in Pathogenicity and virulence of Purpureocillium lilacinum (Hypocreales: Ophiocordycipitaceae) on Mexican fruit fly adults
Fig. 1. Daily survival (lx) of Anastrepha ludens adults infected by 2 Purpureocillium lilacinum strains (CFFSUR-A53 and CFFSUR-A60) and their non-infected control.
Fig. 2 in Pathogenicity and virulence of Purpureocillium lilacinum (Hypocreales: Ophiocordycipitaceae) on Mexican fruit fly adults
Fig. 2. Mean number of eggs laid per d (net fecundity lxmx) by Anastrepha ludens females infected by 2 strains of Purpureocillium lilacinum (CFFSUR-A53 and CFFSUR-A60) and their non-infected control.
FIGURE 1 in Ophiocordyceps taiwanensis sp. nov. (Ophiocordycipitaceae, Hypocreales) on Odontotermes formosanus (Termitidae, Blattodea)
FIGURE 1. Phylogram generated from ML (IQ-tree) based on LSU-ITS-SSU-TEF1-RPB2 alignment for the selected taxa of the Hypocreales. MP, ML bootstrap supports (≥50%) and Bayesian posterior probabilities (≥0.95PP) support are given above or below the branches respectively. Type strains are in bold, and the newly introduced taxon is in red. The tree is rooted with Achaetomium macrosporum CBS 532.94, Chaetomium elatum CBS 374.66, and Gelasinospora tetrasperma AFTOL-ID 1287. The scale bar shows the expected number of nucleotide substitutions per site.
FIGURE 8 in Unravelling the diversity behind the Ophiocordyceps unilateralis (Ophiocordycipitaceae) complex: Three new species of zombie-ant fungi from the Brazilian Amazon
FIGURE 8. Scanning Electron Micrographs (SEM) of the infected ants. a) C. bispinosus infected by O. camponoti-bispinosi; b) Close-up of the O. camponoti-bispinosi ascoma; c) close-up of the O. camponoti-atricipis ascoma; d) infected C. atriceps; e) infected C. indianus; f) close-up of O. camponoti-indiani ascoma. Images: João Araújo.
FIGURE 6. Infected Ophiocordyceps camponoti-atricipis showing initial development. a in Unravelling the diversity behind the Ophiocordyceps unilateralis (Ophiocordycipitaceae) complex: Three new species of zombie-ant fungi from the Brazilian Amazon
FIGURE 6. Infected Ophiocordyceps camponoti-atricipis showing initial development. a) Day 1 (24th March 2011): Ant attaching to the leaf and dying a few hours later; b) Day 3: Cottony white fungal mycelium arises from ant sutures and joints, the stroma emerges from behind the ant head; c) Day 5: the covering mycelium becomes light brown and the pink-tipped stroma continues to grow. In 2–3 weeks, the ascoma forms and matures over time depending on climatic conditions. Images: João Araújo.
FIGURE 7 in Unravelling the diversity behind the Ophiocordyceps unilateralis (Ophiocordycipitaceae) complex: Three new species of zombie-ant fungi from the Brazilian Amazon
FIGURE 7. Unusual aggregation of different ant species biting on the same leaf and even onto the stoma from another infected ant. Arrows show the four different ants (two species) dead at the same spot. Image: João Araújo.
FIGURE 4. Ophiocordyceps camponoti-indiani a in Unravelling the diversity behind the Ophiocordyceps unilateralis (Ophiocordycipitaceae) complex: Three new species of zombie-ant fungi from the Brazilian Amazon
FIGURE 4. Ophiocordyceps camponoti-indiani a) Camponotus indianus biting into a leaf, several stromata arising from dorsal pronotum, mesonotum and leg joints, with a characteristic purplish coloration. a-1) lateral, fertile cushion (ascoma); a-2) Close up of the dead ant's head showing the biting behavior. b) Section through ascoma showing perithecial arrangement (bar = 500 μm); c) Ascospore after 24 h, with very long capilliconidiophores (1-3) with capilliconidia at the tip (bar = 50 μm); c-1) Detail of fusoid capilliconidium (bar = 10 μm); d) Close up of perithecia showing asci arrangement and the semi-erumpent ostiole (bar = 50 μm); e) Ascus showing the spiral arrangement of ascospores (bar = 20 μm); e-1) Ascus cap detail (bar = 5 μm); f) Section of upper part of stroma showing asexual morph (Hirsutellalike A type), with long-necked phialides (bar = 10 μm); g) Phialides formed as mycelial cushions (sporodochia) on leg joints and antenna (Hirsutella-like C type) (bar = 10 μm). Images: João Araújo.
FIGURE 2. Ophiocordyceps camponoti-atricipis a in Unravelling the diversity behind the Ophiocordyceps unilateralis (Ophiocordycipitaceae) complex: Three new species of zombie-ant fungi from the Brazilian Amazon
FIGURE 2. Ophiocordyceps camponoti-atricipis a) Single stroma, characteristic of Ophiocordyceps unilateralis sensu lato, with a single lateral ascoma, arising anteriorly from pronotum of Camponotus atriceps, firmly attached to the edge of the leaf (bar = 3 mm); b) Detail of fertile region (ascoma) (bar = 0.8 mm); c) Section through ascoma showing the mainly immersed perithecial arrangement (bar = 200 μm); d) Ascospore with a needle-like outgrowth (capilliconidiophore) producing terminal conidium (bar = 20 μm); e) Close-up of conidium (bar = 10 μm); f) Close-up of perithecium (bar = 50 μm); g) Ascus, clavate in shape and with a prominent cap (bar = 20 μm); h) Section of upper part of stroma showing asexual morph (Hirsutella-like A type), with a palisade of subulate phialides (bar = 10 μm) Images: João Araújo.
FIGURE 5. Maximum-likelihood tree obtained from a in Unravelling the diversity behind the Ophiocordyceps unilateralis (Ophiocordycipitaceae) complex: Three new species of zombie-ant fungi from the Brazilian Amazon
FIGURE 5. Maximum-likelihood tree obtained from a concatenated dataset of three genes (nu-SSU, nu-LSU, ITS) showing the placement of O.camponoti-atricipis, O. camponoti-bispinosi and O. camponoti-indiani within Ophiocordyceps unilateralis complex and relative to other Ophiocordycipitaceae species. Numbers above branches indicate bootstrap scores>70 (ML/MP).
FIGURE 1 in Unravelling the diversity behind the Ophiocordyceps unilateralis (Ophiocordycipitaceae) complex: Three new species of zombie-ant fungi from the Brazilian Amazon
FIGURE 1. Map showing the forest reserves sampled in the central Brazilian Amazon: A) Reserva Adolpho Ducke; B) Parque Nacional de Anavilhanas; C) Parque Nacional do Viruá; D) Estação Ecológica de Maracá.
FIGURE 3. Ophiocordyceps camponoti-bispinosi a in Unravelling the diversity behind the Ophiocordyceps unilateralis (Ophiocordycipitaceae) complex: Three new species of zombie-ant fungi from the Brazilian Amazon
FIGURE 3. Ophiocordyceps camponoti-bispinosi a) Infected Camponotus bispinosus biting into tip of palm leaf; b) Close-up showing biting behavior; c) Section through ascoma showing perithecial arrangement (bar = 100 μm); d) Ascospore after 48 h germinating with a single capilliconidiophore with a capilliconidium at the tip (bar = 10 μm), upper right corner shows the capilliconidium in close-up (bar = 10 μm); e) Section of perithecium showing the arrangement of asci (bar = 50 μm); f-g) Detail showing the prominent ascus cap (bar = 10 μm); h) Section of the swollen stromatal tip with the asexual morph (Hirsutella-like A) (bar = 10 μm). Images: João Araújo.
FIGURE 4. Ophiocordyceps neonutans versus O in Ophiocordyceps neonutans sp. nov., a new neotropical species from O. nutans complex (Ophiocordycipitaceae, Ascomycota)
FIGURE 4. Ophiocordyceps neonutans versus O. nutans: (A, B) Brazilian specimens of O. neonutans; (C) Japanese specimens of Ophiocordyceps nutans (scale bar = 15 mm).
FIGURE 3 in Ophiocordyceps neonutans sp. nov., a new neotropical species from O. nutans complex (Ophiocordycipitaceae, Ascomycota)
FIGURE 3. Ophiocordyceps neonutans: (A) a specimen in the field, (B) enlarged head with (B*) brown ostioles, (C) perithecia, (D) mature ascus with ascospores, (E) fragmented part spores. (scale bar: A, B = 15 mm, C, D = 300 μm, E = 15 μm).
FIGURE 2. Barcode Gap analysis between Ophiocordyceps nutans and O in Ophiocordyceps neonutans sp. nov., a new neotropical species from O. nutans complex (Ophiocordycipitaceae, Ascomycota)
FIGURE 2. Barcode Gap analysis between Ophiocordyceps nutans and O. neonutans based on the intraspecific and interspecific distances based on ITS region. Each dot represents a pairwise comparison. All interspecific pairwise comparisons are plotted in the column "A" and all intraspecifc ones are plotted in the column "B" of the axis X. Genetic distances are plotted in the axis Y.
FIGURE 1. Phylogenetic relationship among Ophiocordyceps nutans, O in Ophiocordyceps neonutans sp. nov., a new neotropical species from O. nutans complex (Ophiocordycipitaceae, Ascomycota)
FIGURE 1. Phylogenetic relationship among Ophiocordyceps nutans, O. neonutans and other Ophiocordyceps species based on rDNA internal transcribed spacer (ITS) sequences. Consensus tree (MV) obtained from the heuristic search is presented. The trees generated by both phylogenetic searches (BPP and ML) showed similar topologies.
Supplementary material 1 from: Qu J, Zou X, Cao W, Xu Z, Liang Z (2021) Two new species of Hirsutella (Ophiocordycipitaceae, Sordariomycetes) that are parasitic on lepidopteran insects from China. MycoKeys 82: 81-96. https://doi.org/10.3897/mycokeys.82.66927
Tables S1–S3. A total of 71 taxa were selected to represent the morphological and ecological diversity of Hirsutella asexual morphs and Ophiocordyceps
FIGURE 2. A in A new species of Ophiocordyceps (Ophiocordycipitaceae) from Mizoram, India
FIGURE 2. A. Ophiocordyceps mizoramensis infecting the host (paper wasp); B. overview of host Polistes olivaceus showing fruiting body of Ophiocordyceps mizoramensis; C. fertile head; D. longitudinal section of fruiting body; E. transverse section of fruiting body showing the perithecia; F & G. Asci; H. Asci with secondary ascospores; I. Secondary ascospores; J.Apical cap of asci. Scale bars: A = 5 cm, B–C = 1.5 cm, D–J = 100 µm.
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