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2,291 results for “life history”
Diet-induced plasticity of life-history traits and gene expression in outbred Drosophila melanogaster population
GEO Series GSE241397. Drosophila melanogaster. 12 samples. Type: Expression profiling by high throughput sequencing.
Expression analysis of D. melanogaster selected for contrasting life histories
GEO Series GSE38106. Drosophila melanogaster. 120 samples. Type: Expression profiling by array.
Preadult life history variation determines adult transcriptome expression
GEO Series GSE72231. Drosophila mojavensis. 137 samples. Type: Expression profiling by array.
Figure 1 in Gigantism and comparative life-history parameters of tyrannosaurid dinosaurs
Figure 1 Growth-line counts in tyrannosaurids and reptiles of known ages. a, Thinsectioned Gorgosaurus fibula (FMNH PR 2211). The growth record in this element is complete and shows five growth lines (arrows), indicating that it died early in its sixth year of life. b, Haematoxylin-stained fibula from an 8-year-old alligator (Alligator mississippiensis) showing the expected seven growth lines. Inset, gastralia (unstained) from 9-year-old A. mississippiensis showing the expected eight growth lines and the chemical label used to verify the periodicity of ring formation. c, Tyrannosaurus rib (FMNH PR 2081) showing the 15th to 19th growth lines. Inset, external fundamental system16 with nine tightly spaced growth lines, indicating late-adulthood senescence and growthrate attenuation.
FIGURES 202–207 in Description of the immature stages and life history of Euselasia (Lepidoptera: Riodinidae) on Miconia (Melastomataceae) in Costa Rica 2466
FIGURES 202–207. SEM of Euselasia sixth instar. 202) Anal plate, dorso-caudal view (E. chrysippe); 203) Anal plate showing circular tablet organs, dorso-caudal view (E. chrysippe); 204) Anal plate showing circular tablet organs and spherical organs, dorsal view (E. chrysippe); 205) Circular tablet organ on A10 (note pores on surface in linear form), dorsal view (E. chrysippe); 206) Venter of A6–A10 showing L-group and claw-shaped setae (CS), ventral view (E. bettina); 207) claw-shaped setae between A10 prolegs, ventral view (note more or less circular area in the center part) (E. bettina).
FIGURES 171–176 in Description of the immature stages and life history of Euselasia (Lepidoptera: Riodinidae) on Miconia (Melastomataceae) in Costa Rica 2466
FIGURES 171–176. SEM of Euselasia sixth instar (E. chrysippe). 171) T1 shield, dorsal view; 172) Right side lateroposterior margin of T1 shield showing SD2, other setae, and circular tablet organs (CTOs), dorsal view; 173) SD2 seta near apex, lateral view; 174) Basal area of SD2 seta, dorso-lateral view; 175) Socketed area of SD2, dorso-lateral view; 176) Bladelike seta on right T1 leg, ventro-lateral view.
FIGURES 146–151 in Description of the immature stages and life history of Euselasia (Lepidoptera: Riodinidae) on Miconia (Melastomataceae) in Costa Rica 2466
FIGURES 146–151. SEM of mandibles of Euselasia (inner surface). 146) First instar, left (E. chrysippe); 147) First instar right mandibular setae, inner view (E. chrysippe); 148) Third instar, left (E. bettina); 149) Fourth instar, left (E. chrysippe); 150) Sixth instar, left (E. chrysippe); 151) Sixth instar, left (E. bettina).
FIGURES 78–83 in Description of the immature stages and life history of Euselasia (Lepidoptera: Riodinidae) on Miconia (Melastomataceae) in Costa Rica 2466
FIGURES 78–83. SEM of egg of E. chrysippe. 78) Lateral view, in situ (note stellate trichomes of host leaf); 79) Lateroventral view, showing stalk; 80) Apical rim and micropyle area, dorso-lateral view; 81) Micropyles and rosette, dorsolateral view; 82) Stalk conjunctional structure in the center, ventral view, stalk removed; 83) Stalk conjunctional structure, ventral view, (remnants of stalk seen as white).
FIGURES 42–47 in Description of the immature stages and life history of Euselasia (Lepidoptera: Riodinidae) on Miconia (Melastomataceae) in Costa Rica 2466
FIGURES 42–47. Life history of E. chrysippe. 42) A10, caudal view, showing general chaetotaxy and metallic-blue iridescence; 43) Sixth instar tail-to-head contact, lateral view; 44) Sixth instar larvae in procession, dorso-lateral view; 45) Prepupae on side of flower pot surface; 46) Pupae, dorsal view; 47) Pupa, lateral view (note silken girdle on T3–A1).
Fig. 1 in Descriptions Of Immature Stages Of Scymnus (Neopullus) Inuanodulus Yu And Yao (Coleoptera: Coccinellidae) With Notes On Life History
Fig. 1. Egg of Scymnus sinuanodulus (A) and its micropyle (B) with an inset of the tubular micropylar cup. Scale bars A = 100 µm, B = 20 µm, and inset = 2 µm.
Fig. 1 in New Host Record for Megacerus flabelliger Fåhraeus (Coleoptera: Chrysomelidae: Bruchinae) and Some Notes about its Life History
Fig. 1. Seeds of Merremia macrocalyx with evidence of bruchid infestation a) exit hole (EH) left by emerging Megacerus flabelliger adult, and egg (E) on the seed surface; b) egg (E) on the seed surface.
Figure 3 in Nesting biology of the plain-throated Antwren (Isleria hauxwelli): an antbird with exceptional life history traits
Figure 3. Nestling growth rate of the plain-throated Antwren (Isleria hauxwelli). (a) Logistic growth model (k) describing the growth rate of two nestlings (black and grey) of I. hauxwelli (K = 0.46) (b) Generalised linear model (Gaussian) fitted to the observed wing cord (green) and tarsus length (blue) obtained for 4 nestlings from 2 nests. Different symbols represent different individuals, grey shading indicates 95% confidence interval. Nest located at 383 m.a.s.l. in the buffer zone of Manu National Park, Peru.
Figure 1 in Nesting biology of the plain-throated Antwren (Isleria hauxwelli): an antbird with exceptional life history traits
Figure 1. Nest, egg and nestlings of the plain-throated Antwren (Isleria hauxwelli). (a) Egg (b) Lateral view of the nest and eggs (c) Nest (d) Nest with nestlings located in the buffer zone of Manu National Park, Peru.
Figure 17 in Moss mimesis par excellence: integrating previous and new data on the life history and larval ecomorphology of long-bodied craneflies (Diptera: Cylindrotomidae: Cylindrotominae)
Figure 17. Larvae of Triogma kuwanai. (A) Specimen of late-instar larva preserved in alcohol, dorsal view. (B) Characters of head. (C) Characters of anal segment. (D) First-instar larva. (E) Late-instar larva, ventral view. (F) Adult female ovipositing a single egg on a young shoot of Pohlia longicolla (Bryales: Bryaceae). Abbreviations: dl, dorsal lobe; pr, pronotal ridge; vl, ventral lobe. Scale = 1 mm.
Figure 8 in Moss mimesis par excellence: integrating previous and new data on the life history and larval ecomorphology of long-bodied craneflies (Diptera: Cylindrotomidae: Cylindrotominae)
Figure 8. Histological characterisation of internal structure of Liogma brevipecten at first instar, in crosssection. Different body segments are represented in each section: thoracic segments (A–C), showing foregut and midgut region; anterior (D) and posterior (E) parts of abdominal segments, representing anterior hindgut; and anal segment (F), illustrating posterior hindgut. Note that integumental thickness is heterogeneous across body parts. Black arrowheads and arrows denote intrinsic and extrinsic muscles, respectively. Abbreviations: cm, circular muscle; dcl, dorsal cuticular lobe; ddph, dorsal diaphragm; dv, dorsal blood vessel; ed, endocuticle; epd, epidermis; ept, gut epithelium; ex, exocuticle; fb, food bolus; ft, fat body; lcl, lateral cuticular lobe; lm, longitudinal muscle; lu, gut lumen; mdm, midgut microvilli; mlp, malpighian tubule; mtb, microtubercle; ne, ventral nerve cord; pr, peritrophic membrane; pro, proventriculus; re, rectum; sal, salivary duct; stm, stomodeal valve; tr, trachea; vdph, ventral diaphragm; vcl, ventral cuticular lobe. Scale = 50 µm.
Figure 3 in Moss mimesis par excellence: integrating previous and new data on the life history and larval ecomorphology of long-bodied craneflies (Diptera: Cylindrotomidae: Cylindrotominae)
Figure 3. Larvae of Cylindrotominae, showing diverse sizes and forms of elongated cuticular appendages. (A) Cylindrotoma distinctissima, ventral (left), lateral (middle), and dorsal (right) views. (B) Diogma glabrata, oblique ventral (left) and lateral (right) views. (C) Triogma trisulcata, oblique ventral (left) and dorsal (right) views. (D) L. mikado, lateral (left) and dorsal (right) view. (E) Phalacrocera tipulina, dorsal view. A–C are redrawn from Peus (1952).
Figure 10 in Moss mimesis par excellence: integrating previous and new data on the life history and larval ecomorphology of long-bodied craneflies (Diptera: Cylindrotomidae: Cylindrotominae)
Figure 10. Spiracular lobes of cylindrotomine larvae. (A) Cylindrotoma japonica, dorsal view. (B) Liogma nodicornis, caudal view. (C) L. brevipecten, oblique dorso-caudal view. (D) Phalacrocera replicata, caudal view. (E) P. tipulina, caudal view. Abbreviations: anp, anal papilla; dac, accessory dorsal lobe; dl, dorsal lobe; dm, dorsomedial lobe; ha, hair fringe; sp, spiracle; spd, spiracular disc; vl, ventral lobe. Scale = 2 mm.
Figure 11 in Moss mimesis par excellence: integrating previous and new data on the life history and larval ecomorphology of long-bodied craneflies (Diptera: Cylindrotomidae: Cylindrotominae)
Figure 11. Ultrastructure of spiracular field of cylindrotomine larvae, SEM views. (A–B) Cylindrotoma japonica. (A) Spiracular field is devoid of hair fringe. (B) Ditto, closer view. (C–D) Liogma brevipecten. (C) Spiracular field is present on the lobe fringed with hairs. (D) Ditto, closer view. (E–F) Phalacrocera tipulina. (E) Spiracular field on the lobe with hair fringe. (F) Ditto, closer view. White arrowheads denote apertures in the central plugs. Scales are shown in each image.
Figure 12 in Moss mimesis par excellence: integrating previous and new data on the life history and larval ecomorphology of long-bodied craneflies (Diptera: Cylindrotomidae: Cylindrotominae)
Figure 12. Biology and morphology of Cylindrotoma japonica. (A) Anterior body of the final instar; body colour faded due to ethanol preservation: anteriormost part of prothorax to abdominal segment III, dorsal view. (B) Abdominal segments III–V showing pairs of lobes, ventral view. (C) Thick prothoracic integument in which the larval head is covered, which constitutes a 'suction cup'. (D) Crown-shaped material covering the larval prothoracic integument, which is presumably composed of silk and debris. (E) Anal segment, ventral view. (F) Second-instar larva carrying its own faecal pellets on the dorsal and lateral sides of the integument. (G) Early-instar larva with green hue and grey pigmentation on the dorsal segments. (H) Lateinstar larva with brown hue. (I–K) Snapshots showing a sequence of the looping locomotion of a late-instar larva when ascending a plant stem. (I) The larva arches its body forward using both its mouth (as a sucker) and anal segment attached to the substrate. (J) The larva releases the mouth while the anal segment is wrapped around the substrate to get a grip. (K) The larva then wobbles from side to side to crawl forward. Abbreviations: dl, dorsal lobe; la, lateral lobe; vl, ventral lobe. Scale = 1 mm.
FIGURE 3 in Description of a model tardigrade Paramacrobiotus metropolitanus sp. nov (Eutardigrada) from Japan with a summary of its life history, reproduction and genomics
FIGURE 3. Morphology of inner and external surface of legs I–III SEM images of inner and external surface of legs I–III. A panel with labelled LM is photo under LM. Asterisks indicate the cuticular bulges. Scale bars = μm.
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