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Fig. 7. Josephinus albicornis, male genitalia. 5 in Revision And Phylogenetic Analysis Of The North American Genus Slaterocoris Wagner With New Synonymy, The Description Of Five New Species And A New Genus From Mexico, And A Review Of The Genus Scalponotatus Kelton (Heteroptera: Miridae: Orthotylinae)
Fig. 7. Josephinus albicornis, male genitalia. 5 mi N of Mazatlan, SI.
FIGURE 2 in A new species of the genus Stigmaeus koch (Acari: Stigmaeidae) from Kurdistan province, Iran and description of male of Prostigmaeus khanjanii Bagheri and Ghorbani
FIGURE 2: Stigmaeus kurdistaniensis n. sp. (male): A – Dorsal view; B – Ventral view; C – Palp; D – Chelicera; E – Leg I; F – Leg II; G – Leg III; H – Leg IV.
FIGURE 1 in A new species of the genus Stigmaeus koch (Acari: Stigmaeidae) from Kurdistan province, Iran and description of male of Prostigmaeus khanjanii Bagheri and Ghorbani
FIGURE 1: Stigmaeus kurdistaniensis n. sp. (female): A – Dorsal view; B – Ventral view; C – Palp; D – Leg I; E – Leg II; F – Leg III; G – Leg IV.
Figure 1 in A new genus from the continental slope off Brazil and the discovery of the first males in the Hirsutiidae (Crustacea: Peracarida: Bochusacea)
Figure 1. Montucaris distincta gen. et sp. nov. A, brooding female; B, male morph-I.
Fig. 13 in A new genus and five new species of Neocoelidiinae leafhoppers from Brazil (Insecta: Hemiptera: Cicadellidae) with a key to males
Fig. 13. Distribution map of all known species of Takiyaella gen. nov.
Fig. 6 in Taxonomic notes on Ponera guangxiensis Zhou, 2001 (Hymenoptera: Formicidae: Ponerinae), with a new distribution record from Vietnam and the first description of queen, male, and larva
Fig. 6. Ponera guangxiensis, alate queen. (A) Front wing. (B) Hind wing.
Figures ĮĮ–Į3. Marimatha male genitalia. ĮĮ M. nigrofimbria Į2 M. squala Į3 M. quadrata. in Review of the North American species of Marimatha Walker with descriptions of three new species (Lepidoptera, Noctuidae, Eustrotiinae) and the description of Pseudomarimatha flava (Noctuinae, Elaphriini), a new genus and species confused with Marimatha
Figures ĮĮ–Į3. Marimatha male genitalia. ĮĮ M. nigrofimbria Į2 M. squala Į3 M. quadrata.
Fig. 1. Strongylium rufipenne, male. A in One new recorded species of the genus Strongylium (Coleoptera: Tenebrionidae) from China
Fig. 1. Strongylium rufipenne, male. A – head; B – pronotum; C – antenna; D – hind
Reproductive transcriptome of Nicotiana tabacum male gametophyte unveils decreasing number of new transcription factors during pollen ontogeny
<p>Plants with highly reduced male gametophytes represent a successful adaptation to sexual reproduction, which plays an important role in the colonization and radiation of terrestrial ecosystems. During pollen maturation, microsporocytes to mature pollen grain cells switch from mitosis to meiosis and ultimately form a haploid male gametophyte, a widely used model to study plant development. We performed RNASeq analysis of <em>Nicotiana tabacum</em> at six developmental stages from microspores to mature pollen grain to characterize in detail key transcription factor (TF) genes involved in pollen ontogeny. Our results provide the most complete transcriptomic data during pollen development in the important model plant <em>Nicotiana tabacum. </em>We have identified DEGs associated with six ontogenetic stages of the male gametophyte, providing insights into the molecular regulation of reproductive development by TFs that have a high potential for agronomic research investigating molecular networks associated with pollen sterility and related issues.</p>
A new remarkable cimicoid genus and species (Hemiptera, Heteroptera, Cimicomorpha) from mid-Cretaceous Burmese amber, with implications for its aberrant male genitalia
<p>Figure files of three different versions: published ver., without scale bars and captions ver., and the original figures.</p> <p> </p> <p>Original reference:</p> <p>Yamada, K., Yamamoto, S., Takahashi, Y. (2023) A new remarkable cimicoid genus and species (Hemiptera, Heteroptera, Cimicomorpha) from mid-Cretaceous Burmese amber, with implications for its aberrant male genitalia. <em><strong>Fossil Record</strong></em>, 26(1): 27–38. (doi: <a href="https://fr.pensoft.net/article/86784/">10.3897/fr.26.e86784</a>).</p> <p> </p> <p>Abstract.</p> <p>A new genus and species of cimicoid true bug, <em>Ecpaglocoris ditomeus</em> Yamada & Yamamoto, <strong>gen. et sp. nov.</strong>, is described and illustrated from mid-Cretaceous (Cenomanian–Albian) amber in the Kachin State of northern Myanmar (Burma). This new fossil genus and species is reminiscent of members of Anthocoridae by the strongly flattened and elongated body, four-segmented labium, distinct costal fracture and presence of fossula spongiosa on fore tibiae, but should not be ascribed to this family. The new taxon cannot be placed in any extant cimicoid families, based upon hemelytral, male genital and other morphological structures. Based on the hemelytral membrane venation and presence of dorsal laterotergites on abdominal segments I to VIII, it can be assumed that this new genus belongs to the extinct family Vetanthocoridae. <em>Ecpaglocoris ditomeus</em> <strong>gen. et sp. nov.</strong> has aberrant male genitalia characterised by sickle-shaped left and right parameres and grooves running throughout the paramere. This characteristic indicates that traumatic insemination occurred in this genus. The peculiar combination of male genital characteristics seen in <em>Ecpaglocoris</em> <strong>gen. nov.</strong> prevents its placement in any of the extant cimicoid families.</p>
Figs 41–46. Belyta validicornis Thomson, 1859, male. 41 in New data on the genus Belyta Jurine, 1807 (Hymenoptera: Diapriidae, Belytinae) from Iran
Figs 41–46. Belyta validicornis Thomson, 1859, male. 41 – general habitus; 42 – head in
Figs 22–27. Belyta elongata Thomson, 1859, male. 22 in New data on the genus Belyta Jurine, 1807 (Hymenoptera: Diapriidae, Belytinae) from Iran
Figs 22–27. Belyta elongata Thomson, 1859, male. 22 – general habitus; 23 – head in
Figs 35–40. Belyta sanguinolenta Nees, 1834, male. 35 in New data on the genus Belyta Jurine, 1807 (Hymenoptera: Diapriidae, Belytinae) from Iran
Figs 35–40. Belyta sanguinolenta Nees, 1834, male. 35 – general habitus; 36 – head in
Figs 28–34. Belyta rugosicollis Kieffer, 1909, male. 28 in New data on the genus Belyta Jurine, 1807 (Hymenoptera: Diapriidae, Belytinae) from Iran
Figs 28–34. Belyta rugosicollis Kieffer, 1909, male. 28 – general habitus; 29 – head in
Figs 9–14. Belyta bicolor Jurine, 1807, male. 9 in New data on the genus Belyta Jurine, 1807 (Hymenoptera: Diapriidae, Belytinae) from Iran
Figs 9–14. Belyta bicolor Jurine, 1807, male. 9 – general habitus; 10 – head in frontal
Data for: Static allometries do not reflect evolutionary allometry in exaggerated weaponry of male New Zealand sheetweb spiders (Cambridgea spp.)
<p>Across the animal kingdom, exaggerated weaponry is frequently used by one sex to contest access for potential mates. Within species, if disproportionate investment in weaponry confers an advantage to larger individuals, this may result in positive static allometry. It is predicted that the same selective pressures may also lead to positive evolutionary allometry, where larger species bear disproportionately large weapons on average, compared with smaller species. However it is unclear whether the slopes of species-specific static allometries are steeper among larger species, or remain consistent. All adult males across the New Zealand sheet-web spider genus Cambridgea bear exaggerated chelicerae which are used to compete for control of females' webs. Here, we characterise the distribution of chelicera lengths within each sex of 12 Cambridgea species to show that chelicerae almost always exhibit positive static allometry in males while female chelicera lengths are consistently isometric. We use comparative phylogenetic methods to demonstrate that the slopes of static allometries steepen in males of larger species but that the ratio of average chelicera length to cephalothorax width is tightly conserved across taxa, leading to an isometric evolutionary allometry. While sexual selection may drive weapon exaggeration within species, resulting in steeper or shallower static allometries, this conservation of relative trait size suggests that chelicera length is subject to other stabilising selective pressures. Changes to species body plans might be constrained, while allowing for disproportionate investment in weapon traits at the extremes of body sizes within species.</p>
Data for: Juvenile leg autotomy predicts adult male morph in a New Zealand harvestman with weapon polymorphism
<p><span>Intraspecific weapon polymorphisms that arise via conditional thresholds may be affected by juvenile experiences such as predator encounters, yet this idea has rarely been tested. The New Zealand harvestman <em>Forsteropsalis</em> <em>pureora</em> has three male morphs: majors (alphas and betas) are large-bodied with large chelicerae used in male-male contests, while minors (gammas) are small-bodied with small chelicerae and scramble to find mates. Individuals use leg autotomy to escape predators and there is no regeneration of the missing leg. Here, we tested whether juvenile experience affects adult morph using leg autotomy scars as a proxy of predator encounters. Juvenile </span><span>males that lost at least one leg (with either locomotory or sensory function) had a 45 times higher probability of becoming a minor morph at adulthood than intact juvenile males. </span><span>Leg loss during development may affect foraging, locomotion, and/or physiology, potentially linking a juvenile's predator encounters to their final adult morph and future reproductive tactic.</span></p>
Data for: Static allometries do not reflect evolutionary allometry in exaggerated weaponry of male New Zealand sheetweb spiders (Cambridgea spp.)
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Supplementary data for: Phylogenomics, male internal genitalia, a new species, and other notes on new world Stenopelmatus Jerusalem crickets (Orthoptera: Stenopelmatoidea: Stenopelmatini)
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Data for: Juvenile leg autotomy predicts adult male morph in a New Zealand harvestman with weapon polymorphism
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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