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Fig. 4 in The use of morphological and histological features as nutritional condition indices of Pagrus pagrus larvae

Fig. 4. Histological sections of Pagrus pagrus larvae, indicators of long term nutritional condition. Sagital section of 4 µm thick stained with Harris's hematoxylin and eosin counterstain (H-E). (a-c) nervous system, (d-f) cartilage, (g-i) muscle, (j-l) notochord; left = fed larvae, middle = delayed fed larvae and right = starved. hsn: heavily stained nucleus, ics: inter-cellular space, nc: notochord contraction, pn: prominent nucleus. Scale bar indicates 10 µm.

Fig. 1 in The use of morphological and histological features as nutritional condition indices of Pagrus pagrus larvae

Fig. 1. Mean values of morphometrical variables and standard error against larval age expressed as days after hatching (DAH) of Pagrus pagrus larvae from the different feeding treatments. BDA: body depth at the anus, ED: eye diameter, HD: head depth, SL: standard length. T0: before the experiment begins, T1: without food, T2: delayed feeding and T3: fed. Arrows indicate the moment when food was supplied to larvae in T3 (black) and T2 (dark grey). Initial condition of larvae (T0, white squares) was also included in order to allow comparisons.

Fig. 7 in The use of morphological and histological features as nutritional condition indices of Pagrus pagrus larvae

Fig. 7. Mean histological condition index (HCI) and standard error for Pagrus pagrus larvae calculated employing short or long term tissues and a mean value employing all tissues against larval age expressed as days after hatching (DAH) from the feeding treatments, a: without food (T1); b: delayed feeding (T2); c: fed (T3).

Fig. 5 in The use of morphological and histological features as nutritional condition indices of Pagrus pagrus larvae

Fig. 5. Mean histological condition index (HCI) and standard error for Pagrus pagrus larvae from the feeding treatments against larval age expressed as days after hatching (DAH). Different lowercase letters indicate significant differences (p<0.05) among feeding treatments, after one way ANOVA followed by post-hoc Tukey's test. Different capital letters indicate significant differences (p<0.05) among feeding treatments, after Kruskal Wallis test followed by multiple comparisons. T0: before the experiment begins, T1: without food, T2: delayed feeding and T3: fed.

Fig. 6 in The use of morphological and histological features as nutritional condition indices of Pagrus pagrus larvae

Fig. 6. Mean histological condition index (HCI) and standard error for Pagrus pagrus larvae from the feeding treatments calculated employing short or long term tissues and a mean value employing all tissues. Different letters indicate significant differences (p<0.05) among feeding treatments, after one way ANOVA followed by post-hoc Tukey's test. T1: without food, T2: delayed feeding and T3: fed, S: short term HCI, M: mean HCI, L: long term HCI.

Fig. 2 in The use of morphological and histological features as nutritional condition indices of Pagrus pagrus larvae

Fig. 2. Scatterplot of PC2 on PC1 for Pagrus pagrus larvae from the feeding treatments. a: PCA based upon normalized morphometrical variables; b: PCA based upon normalized morphometrical variables and observations grouped by feeding treatments. Correlations between the variables also showed. BDA: body depth at the anus, ED: eye diameter, HD: head depth. T1: without food, T2: delayed feeding and T3: fed. –N indicates normalized morphometrical variables.

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Fig. 1 in Survival Of Embryos And Larvae Of The Rainbow Trout (Oncorhynchus Mykiss, Walbaum, 1792) Under Influence Of Optical Radiation At Various Temperature Regimes

Fig. 1. Linear dependencies of the probit (logit) effect of the death of rainbow trout larvae in vitro from the logarithm of days of fasting for various types of optical radiation at a temperature of 12 (a), 11 (b), 10 (c), 9 (d), 8(e) ° C.

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Fig. 15. D. latissimus larva, Fig. 16. Dead D in Methodologicalaspects Of Study On Biologyand Development Cycles Of Dytiscus Latissimus (Coleoptera: Dytiscidae) In Laboratory Environment. Spring-Summer Period

Fig. 15. D. latissimus larva, Fig. 16. Dead D.latissimus (male) died during pupation couple of hours after metamorphosis

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Fig.6. Instar II larva attacking a in Methodologicalaspects Of Study On Biologyand Development Cycles Of Dytiscus Latissimus (Coleoptera: Dytiscidae) In Laboratory Environment. Spring-Summer Period

Fig.6. Instar II larva attacking a caddis larva (with Fig.7. D. latissimus instar III larva exuvium on its left)

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Рис. 2. Pararctia lapponica lemniscata (Stichel, 1911): 5–15 — гусеницы: 5, 6 — первый возраст; 7 — второй возраст; 8 — третий и второй возрасты; 9 — третий возраст; 10, 11 — четвертый возраст; 12, 13 — пятый возраст; 14, 15 — шестой возраст Fig. 2. Pararctia lapponica lemniscata (Stichel, 1911): 5 — 15 – larvae: 5, 6 — first instar; 7 — second instar; 8 — third and second instars; 9 — third instar; 10, 11 — fourth instar; 12, 13 — fifth instar; 14, 15 — sixth instar in On The Biology Of (Stichel, 1911) (Lepidoptera, Erebidae, Arctiinae) In Northern Amur Region

Рис. 2. Pararctia lapponica lemniscata (Stichel, 1911): 5–15 — гусеницы: 5, 6 — первый возраст; 7 — второй возраст; 8 — третий и второй возрасты; 9 — третий возраст; 10, 11 — четвертый возраст; 12, 13 — пятый возраст; 14, 15 — шестой возраст Fig. 2. Pararctia lapponica lemniscata (Stichel, 1911): 5 — 15 – larvae: 5, 6 — first instar; 7 — second instar; 8 — third and second instars; 9 — third instar; 10, 11 — fourth instar; 12, 13 — fifth instar; 14, 15 — sixth instar

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Рис. 2. Ментум Λичинок роΑа Chironomus из озера Кенон Fig. 2. Mentum of the Chironomus genus larvae from Lake Kenon in Toxic pollution assessment of Chita TPP-1 cooling reservoir by applying the method of head capsule morphological deformations in chironomid larvae

Рис. 2. Ментум Λичинок роΑа Chironomus из озера Кенон Fig. 2. Mentum of the Chironomus genus larvae from Lake Kenon

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Рис. 1. Схема мониторинговых станций на озере Кенон: 1–1.6 — ТЭЦ; 2–2.1 — КСК; 3 — Нефтебаза; 4 — Центр озера; 5 — КаΑаΛинка Fig. 1. Diagram of monitoring stations on Kenon lake: 1–1.6 — TPP; 2–2.1 — KSK; 3 — Tank farm; 4 — Lake Center; 5 — Kadalinka in Toxic pollution assessment of Chita TPP-1 cooling reservoir by applying the method of head capsule morphological deformations in chironomid larvae

Рис. 1. Схема мониторинговых станций на озере Кенон: 1–1.6 — ТЭЦ; 2–2.1 — КСК; 3 — Нефтебаза; 4 — Центр озера; 5 — КаΑаΛинка Fig. 1. Diagram of monitoring stations on Kenon lake: 1–1.6 — TPP; 2–2.1 — KSK; 3 — Tank farm; 4 — Lake Center; 5 — Kadalinka

FIGURE 8 in Unique fossils of caddisfly larvae from Baltic amber and in situ amber formation in aquatic ecosystems

FIGURE 8. Details of non-biting midge larva (Diptera: Chironomidae: Chironominae) in the amber piece PED 1383; volume renders of µCT-scan. A, Habitus, dorsal view. B, Habitus, dorso-posterior view. C–G, Anterior body. C, In ventral view. D, Colour-marked version of C. E, Lateral view. F. Colour-marked version of D. G, Head capsule in ventral view. H, Colour-marked version of G. Abbreviations: at = antennae; lr = labrum; me = mentum; mep = mental plates, hc = head capsule.

FIGURE 9 in Unique fossils of caddisfly larvae from Baltic amber and in situ amber formation in aquatic ecosystems

FIGURE 9. Caddisfly larvae preserved in Baltic amber from the literature, all simplified. A, Leptoceridae representative larva (Wichard et al., 2009 their fig 09.04a, b). B, Collection Hoffeins 144.1, probably Ecnomidae (Wichard et al., 2009, their fig 09.05a, b). C, Collection Gröhn 3230, Phryganidae (likely Hagenella) (Wichard et al., 2009, their fig 09.06). D, First caddisfly larva preserved with its case (Gröhn, 2015, his fig 7665).

FIGURE 5 in Unique fossils of caddisfly larvae from Baltic amber and in situ amber formation in aquatic ecosystems

FIGURE 5. Additional caddisfly larvae in the Baltic amber. A, B. Collection Gröhn L7698, Leptoceridae. A, Overview. B, Close-up on head in oblique lateral view. C, D, Representatives of Integripalpia (probably related to Leptoceridae). E, Representative of Annulipalpia. F. PED 1635, Leptoceridae. C–F, image courtesy of Jonas Damzen, used with permission

FIGURE 4. Caddisfly larva morphotype 1 in Unique fossils of caddisfly larvae from Baltic amber and in situ amber formation in aquatic ecosystems

FIGURE 4. Caddisfly larva morphotype 1, Lepidostomatidae; specimen 3 from amber piece PED 1383. A–D. Volume renders of µCT-scan. A, Head in lateral view. B, Frontal view of the larva in the case. C, Dorsal view, "roof" of the case digitally removed. D, Frontal view slightly different angle than in B. E–G, Surface reconstruction of µCT-scan, case removed. E, Dorsal view. F, Lateral view. G, Antero-lateral view. Abbreviations: lh = lateral hump of abdomen unit 1.

FIGURE 2. Caddisfly larva morphotype 1 in Unique fossils of caddisfly larvae from Baltic amber and in situ amber formation in aquatic ecosystems

FIGURE 2. Caddisfly larva morphotype 1, Lepidostomatidae; specimen 2 from amber piece PED 1383, volume renders of µCT-scan A, Habitus, antero-ventral view. B, Colour-marked version of A. C, Head in frontal view. D, Thorax and head in dorsal view. E, Head in ventral view with mouthparts. F, Head in lateral view. Abbreviations: ad = abdomen; an = antenna; hc = head capsule; la = labium; lb = labrum; md = mandible; mp = maxillary palps; pt = prothorax; t3 = trunk appendage 3.

FIGURE 3. Caddisfly larva morphotype 1 in Unique fossils of caddisfly larvae from Baltic amber and in situ amber formation in aquatic ecosystems

FIGURE 3. Caddisfly larva morphotype 1, Lepidostomatidae; specimen 1 from amber piece PED 1383. Colourmarked version of Figure 1B. Abbreviations: at = antenna; frc = frontoclypeus; lr = labrum; md = mandible. Small brown dots on the labrum are marking labral setae bases. Images obtained with digital microscopy, white transmitted light.

FIGURE 1. Amber piece PED 1383 in Unique fossils of caddisfly larvae from Baltic amber and in situ amber formation in aquatic ecosystems

FIGURE 1. Amber piece PED 1383 with assemblage of different fossils. A, Overview. B–D. Caddisfly larva morphotype 1, Lepidostomatidae. B, Anterior region of specimen 1. C, Ventral view of specimen 2. D, Another specimen (Caddisfly larva morphotype 1, Lepidostomatidae; specimen 2 from amber piece PED 1383) not seen in overview from this direction. E, F, Non-biting midge larva (Diptera: Chironomidae) sitting on the case of a caddisfly specimen 3. E, Overview. F. Colour-marked version of F. Images obtained with digital microscopy, white transmitted light.

FIGURE 16 in An overview of crawling water beetle larvae and a first possible record from 100-million-years-old Myanmar amber

FIGURE 16. Scatter plot of PC2 vs. PC1 of body outlines of larvae of Haliplidae and the new fossils. The differentiated stages are all representatives of Haliplus. Note how tightly together the fossils cluster, indicating a very similar overall shape. This is different for the larvae of the extant forms that show quite some variation, especially over ontogeny.