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32 results for “Passalus”
Figure |. Hystrignathus splendidus sp. n. female. A Esophageal region, lateral view. B Cephalic end, internal view C Cephalic end, external view D Spines at level of the end of procorpus E Tail, lateral view F Vulva, lateral view G Egg. H Genital tract I Habitus, lateral view. in Two new species of nematode (Oxyurida, Hystrignathidae) parasites of Passalus interstitialis Escholtz, 1829 (Coleoptera, Passalidae) from Cuba and a new locality for Longior similis Morffe, Garcia & Ventosa, 2009
Figure |. Hystrignathus splendidus sp. n. female. A Esophageal region, lateral view. B Cephalic end, internal view C Cephalic end, external view D Spines at level of the end of procorpus E Tail, lateral view F Vulva, lateral view G Egg. H Genital tract I Habitus, lateral view.
Figure 5 in Two new species of Passalus Fabricius (Coleoptera: Passalidae) from the western Brazilian Amazon with comments on the taxonomic limits of the subgenera
Figure 5. Passalus (Passalus) cleidecostae sp. nov. (A) head and prothorax, dorsal; (B) head, ventral (C) head and prothorax, dorsolateral; (D) posterior region of the prosternum and anterior region of the mesosternum; (E) metasternum (left side); (F) aedeagus (ventral, dorsal and lateral view).
Figure 6 in Two new species of Passalus Fabricius (Coleoptera: Passalidae) from the western Brazilian Amazon with comments on the taxonomic limits of the subgenera
Figure 6. Passalus (Passalus) cleidecostae sp. nov. (A) cephalic capsule, dorsal; (B) pronotum, lateral; (C) meso- and metasternum. Passalus (Passalus) bucki Luederwaldt, 1931: (D) cephalic capsule, dorsal v. (E) pronotum, lateral. (F) meso- and metasternum.
Figure 3 in Two new species of Passalus Fabricius (Coleoptera: Passalidae) from the western Brazilian Amazon with comments on the taxonomic limits of the subgenera
Figure 3. Passalus (Pertinax) deuterocerus sp. nov. (A) cephalic capsule, dorsal; (B) mentum; (C) meso- and metasternum. Passalus (Pertinax) epiphanoides (Kuwert, 1891): (D) cephalic capsule, dorsal. (E) mentum. (F) meso- and metasternum.
Figure 2 in Two new species of Passalus Fabricius (Coleoptera: Passalidae) from the western Brazilian Amazon with comments on the taxonomic limits of the subgenera
Figure 2. Passalus (Pertinax) deuterocerus sp. nov. (A) head and prothorax, dorsal; (B) head, ventral; (C) head and prothorax, dorsolateral; (D) posterior region of the prosternum and anterior region of the mesosternum; (E) metasternum (left side); (F) aedeagus (ventral, dorsal and lateral view).
Figure 4 in Two new species of Passalus Fabricius (Coleoptera: Passalidae) from the western Brazilian Amazon with comments on the taxonomic limits of the subgenera
Figure 4. Passalus (Passalus) cleidecostae sp. nov., habitus. (A) dorsal; (B) ventral; (C) lateral.
Figure 1 in Two new species of Passalus Fabricius (Coleoptera: Passalidae) from the western Brazilian Amazon with comments on the taxonomic limits of the subgenera
Figure 1. Passalus (Pertinax) deuterocerus sp. nov., habitus. (A) dorsal; (B) ventral; (C) lateral.
Fig. 3 in Effects of the Naturally Occurring Parasitic NematodeChondronema passaliLeidy on Lifting Strength and Captivity-Related Body Mass Patterns in the Horned Passalus Beetle,Odontotaenius disjunctus(Illiger) (Coleoptera: Passalidae)
Fig. 3. Comparison of maximum lifting strength between Odontotaenius disjunctus with and without Chondronema passali across three weeks of study. Whiskers above and below means represent 95% confidence intervals.
Fig. 4 in Effects of the Naturally Occurring Parasitic NematodeChondronema passaliLeidy on Lifting Strength and Captivity-Related Body Mass Patterns in the Horned Passalus Beetle,Odontotaenius disjunctus(Illiger) (Coleoptera: Passalidae)
Fig. 4. Patterns of weight loss in Odontotaenius disjunctus with or without Chondronema passali across three weeks of study. Beetles lost 11% of their initial body mass when placed in captivity (A), which was not fully regained at the end of three weeks. Parasitized beetles tended to lose less mass than did non-parasitized beetles; this effect was not significant at Week 1 (B), but was significant at Week 3 (C). Whiskers above and below means in A represent standard errors; those in B and C represent 95% confidence intervals.
Fig. 1 in Effects of the Naturally Occurring Parasitic NematodeChondronema passaliLeidy on Lifting Strength and Captivity-Related Body Mass Patterns in the Horned Passalus Beetle,Odontotaenius disjunctus(Illiger) (Coleoptera: Passalidae)
Fig. 1. Depiction of lifting force measurement in this study. Beetles were positioned under a vertically mounted force gauge, using pins on either side of their body (A). The experimenter gently tapped the elytra which stimulated upward lifting. Force readings (B) were obtained over a five-minute period, and the maximum reading was retained for analyses. Further details of this device and procedure are given by (Davis 2014).
Fig. 2 in Effects of the Naturally Occurring Parasitic NematodeChondronema passaliLeidy on Lifting Strength and Captivity-Related Body Mass Patterns in the Horned Passalus Beetle,Odontotaenius disjunctus(Illiger) (Coleoptera: Passalidae)
Fig. 2. Relationship between body size (initial body mass) and maximum lifting strength (at Week 1) in Odontotaenius disjunctus.
FIGURE 4 in A new species of Hystrignathus (Nematoda: Thelastomatoidea: Hystrignathidae) associated with the Bess Beetle Passalus Interruptus Linnaeus (Coleoptera: Passalidae) from The Peruvian Amazonia
FIGURE 4. Tanglegram for Host phylogeny (left) and associated nematodes included in the phylogenetic analysis (right). Each color corresponds to a Passalidae clade. Passalidae relationships were drawn based on recent phylogenetic hypotheses (Beza–Beza et al. 2020).
FIGURE 3. Phylogenetic tree inferred from a in A new species of Hystrignathus (Nematoda: Thelastomatoidea: Hystrignathidae) associated with the Bess Beetle Passalus Interruptus Linnaeus (Coleoptera: Passalidae) from The Peruvian Amazonia
FIGURE 3. Phylogenetic tree inferred from a Bayesian inference analysis of concatenated dataset of SSU and LSU partial sequences of Hystrignathidae and other Oxyuridomorpha. Values of posterior probability and bootstrap are shown at the nodes. New species in bold fonts. Clade of species found in Passalidae indicated in bold lines. The scale bar represents the number of nucleotide substitutions per site.
FIGURE 2. Hystrignathus nunashae n in A new species of Hystrignathus (Nematoda: Thelastomatoidea: Hystrignathidae) associated with the Bess Beetle Passalus Interruptus Linnaeus (Coleoptera: Passalidae) from The Peruvian Amazonia
FIGURE 2. Hystrignathus nunashae n. sp. SEM images. Female. A. Oral region, apical view. B. Anal region showing lateral alae ending (LAE), lateral view. C. Anterior region, lateral view showing lateral alae beginning (LAB). D. Tail, ventral view. Scale bars: A, 20 µm; B, 50 µm; C, D 100 µm.
FIGURE 1. Hystrignathus nunashae n in A new species of Hystrignathus (Nematoda: Thelastomatoidea: Hystrignathidae) associated with the Bess Beetle Passalus Interruptus Linnaeus (Coleoptera: Passalidae) from The Peruvian Amazonia
FIGURE 1. Hystrignathus nunashae n. sp. Female. A. Entire nematode, lateral view. B. Oral region, lateral view. C. Oral region, apical view. D. Pharynx region, lateral view. E. Egg. Scale bars: A, D, 100 µm; B, 20 µm; C, 10 µm; E, 50 µm.
FIGURE 1 in Morphological and molecular characterization of Lepidonema magnum Morffe & García, 2010 (Nematoda: Oxyuridomorpha: Hystrignathidae) from Passalus interstitialis Eschscholtz, 1829 (Coleoptera: Passalidae) from Cuba and new locality records for the species
FIGURE 1. Lepidonema magnum Morffe & García, 2010. Female. A. Oesophageal region, ventral view. B. Tail, ventral view. C. Cephalic end, optical section. D. Cephalic end, external view (reconstructed from SEM images). E. Cephalic end, en face view (reconstructed from SEM images). F. Spines near the end of the spiny region. G. Genital tract, ventral view. H. Habitus, ventral view.
FIGURE 3 in Morphological and molecular characterization of Lepidonema magnum Morffe & García, 2010 (Nematoda: Oxyuridomorpha: Hystrignathidae) from Passalus interstitialis Eschscholtz, 1829 (Coleoptera: Passalidae) from Cuba and new locality records for the species
FIGURE 3. Maximum likelihood (ML) tree inferred from the concatenated dataset of the D2-D3 28S LSU rDNA and 18S SSU rDNA for several species of the family Hystrignathidae (Nematoda: Oxyuridomorpha). Travassosinema claudiae (Travassosinematidae) was used as outgroup taxon. Values at the nodes correspond to bootstrap resampling/posterior probability.
FIGURE 2 in Morphological and molecular characterization of Lepidonema magnum Morffe & García, 2010 (Nematoda: Oxyuridomorpha: Hystrignathidae) from Passalus interstitialis Eschscholtz, 1829 (Coleoptera: Passalidae) from Cuba and new locality records for the species
FIGURE 2. Lepidonema magnum Morffe & García, 2010. Female. SEM images. A. Cephalic end, en face view. B. Cervical region. C. End of the spiny region and beginning of the lateral alae. D. Habitus, lateral view. Scale bars: A. 30 µm. B, C. 50 µm. D. 500 µm.
Fig. 1 in Observations and Photographs of Eggs of the Horned Passalus Beetle, Odontotaenius disjunctus (Illiger) (Coleoptera: Passalidae)
Fig. 1. Photographs of O. disjunctus. A) Adult beetle in gallery, B) Eggs in gallery, finger for scale, C) Closer view of the same eggs, D) Adult and eggs in the laboratory, E) Eggs and newly emerged larva in the laboratory.
Figure 4 in A new species of Passalus (Passalus) from Atlantic Rainforest, with a key and checklist for the Brazilian Petrejus group (Coleoptera, Passalidae)
Figure 4. Passalus (Passalus) lockerum sp. nov. holotype male: (a) head, and mentum detail, ventral; (b) meso- and metasternum, ventral.
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