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FIGURE 4 in Towards the diversity of non-biting midges of the tribe Tanytarsini from Eocene Baltic amber (Diptera: Chironomidae)

FIGURE 4. Tanytarsus crocota sp. nov., adult male, holotype. 1, inclusion in amber; 2, habitus; 3-4, wing photographed in transmitted (3) and reflected light (4); 5, spur of fore leg tibia.

FIGURE 7 in Towards the diversity of non-biting midges of the tribe Tanytarsini from Eocene Baltic amber (Diptera: Chironomidae)

FIGURE 7. Stempellinella fibra sp. nov., adult male, holotype. 1, inclusion in amber; 2, habitus; 3, antenna (white arrows: borders between well discernible flagellomeres; grey arrow: incomplete fusion); 4, frontal tubercle (black arrow), antennal pedicel and eye.

FIGURE 6 in Towards the diversity of non-biting midges of the tribe Tanytarsini from Eocene Baltic amber (Diptera: Chironomidae)

FIGURE 6. Variations of diagnostic structures in males of Tanytarsus protogregarius (1, 2) and T. serafini (3-6). Hypopygium in dorsolateral aspect (1, 3, 5) and its structures magnified ca. 3-4 times (below): anal point (2, 4) and superior volsella (6).

FIGURE 3 in Towards the diversity of non-biting midges of the tribe Tanytarsini from Eocene Baltic amber (Diptera: Chironomidae)

FIGURE 3. Rheotanytarsus hoffeinsorum sp. nov., adult male, holotype. Hypopygium and its structures in dorsal (1-3) and ventral aspect (4-6), photographed in reflected light (1, 4, 5) and drawn (2, 3, 6); 3, superior volsella; 5-6, median volsella (6 magnified ca. 2 times relative to 5 and ca. 5 times relative to 4).

FIGURE 9 in What nymphal morphology can tell us about parental investment - a group of cockroach hatchlings in Baltic amber documented by a multi-method approach

FIGURE 9. Comparison of volume renderings of one nymph of BSPG 1967 XX generated by Amira 5.6 (left) and Drishti 2.4 (right) (images with system based pseudocolour). Note especially the differences of the level of details in the marked areas (arrows).

FIGURE 8 in What nymphal morphology can tell us about parental investment - a group of cockroach hatchlings in Baltic amber documented by a multi-method approach

FIGURE 8. Close-ups of maxillary palp of one nymph of BSPG 1967 XX. 1, Palp of red-coloured nymph in Figure 4 documented with stereo imaging. Images presented as red-cyan stereo-anaglyphs; please use red-cyan glasses to view, red left, cyan right. 2-4, Close-ups of volume rendering of maxillary palp and part of antenna of red-coloured nymph in Figure 4; documented at three different grey values. 5, Combined version of 2-4, arrows point to setae. Abbreviations are the same as in Figures 2 and 4.

FIGURE 7 in What nymphal morphology can tell us about parental investment - a group of cockroach hatchlings in Baltic amber documented by a multi-method approach

FIGURE 7. Comparison of mouthparts of one nymph of BSPG 1967 XX and first instar of Periplaneta americana. 1-3, Surface reconstruction of the mouthparts of one nymph in amber; based on micro-CT data. Same individual as in Figure 2, about lateral (1 and 3) and frontal (2) views. 4-5, Head with mouthparts of first instar nymph of P. americana; frontal view of the head (4) and colour-marked close-up image of the mouthparts (5), composite autofluorescence image. Abbreviations: hp, hypopharynx; lb, labium; lp, labial palp; mx, maxilla. Other abbreviations are the same as in Figures 2 and 4.

FIGURE 5 in What nymphal morphology can tell us about parental investment - a group of cockroach hatchlings in Baltic amber documented by a multi-method approach

FIGURE 5. Volume renderings of one nymph of BSPG 1967 XX (red-coloured specimen in Figure 4) in about lateral (1-2), ventral (3-4), and dorsal (5) views generated with Drishti 2.4 based on micro-CT data. Abbreviations: cl, clypeus; co I, coxa of prothoracic leg; fe I, femur of prothoracic leg; lr, labrum; md, mandible; pt I, praetarsus of prothoracic leg (tibial claw); ta I, tarsus of prothoracic leg; ti I, tibia of prothoracic leg; a1–a7, abdominal segments 1–7. Other abbreviations are the same as in Figure 2.

FIGURE 6 in What nymphal morphology can tell us about parental investment - a group of cockroach hatchlings in Baltic amber documented by a multi-method approach

FIGURE 6. Nymphs of the extant species Periplaneta americana (1-3) and Blaberus craniifer (4-5). 1-3, Hatchling of P. americana in dorsal (1), lateral (2), and ventral (3) views documented with compound microscope. 4-5, Early instar nymph of Blaberus craniifer in ventral (4) and dorsal (5) views documented with composite autofluorescence microscopy. Abbreviations: co III, coxa of metathoracic leg; fe III, femur of metathoracic leg; ta III, tarsus of metathoracic leg; ti III, tibia of metathoracic leg. Other abbreviations are the same as in Figure 2 and 4.

FIGURE 3 in What nymphal morphology can tell us about parental investment - a group of cockroach hatchlings in Baltic amber documented by a multi-method approach

FIGURE 3. Overview of BSPG 1967 XX, documented with stereo imaging from all available sides of the specimen (1- 3). Images presented as red-cyan stereo-anaglyphs; please use red-cyan glasses to view.

FIGURE 1 in What nymphal morphology can tell us about parental investment - a group of cockroach hatchlings in Baltic amber documented by a multi-method approach

FIGURE 1. Overview of BSPG 1967 XX, part of the Bayerische Staatssammlung für Paläontologie und Geologie, Munich. Germany; documented with composite imaging. Single piece of Baltic amber with inclusion of 13 cockroach nymphs.

FIGURE 2 in What nymphal morphology can tell us about parental investment - a group of cockroach hatchlings in Baltic amber documented by a multi-method approach

FIGURE 2. Close-ups of nymphs in amber (BSPG 1967 XX). 1, Overview of a single nymph (red-coloured specimen in Figure 4). 2, Head with antennae and maxillary palp equipped with setae of specimen in 1, compound eyes not observable. 3, Cerci equipped with setae (blue-coloured specimen in Figure 4). 4, Close-up of antenna equipped with setae (yellow-coloured specimen in Figure 4), arrows point to setae. Abbreviations: a4–a6, abdominal segments 4–6; an, antenna; ce, cercus; hc, head capsule; mp, maxillary palp; ms, mesonotum; mt, metanotum; pn, pronotum; pl, coxa of prothoracic leg; ta, terminal article of the antenna.

FIGURE 4 in What nymphal morphology can tell us about parental investment - a group of cockroach hatchlings in Baltic amber documented by a multi-method approach

FIGURE 4. Overview images of BSPG 1967 XX. 1-3, Colour-marked versions of Figure 3 (different individuals marked in different colours, same individuals marked in same colour in different viewing angles). 4-5, Volume renderings based on micro-CT data (Amira) (different viewing angles in 4 and 5). 6, Tomographic section from micro-CT image stack (red-coloured specimen in 1 and 2), inner structures are not preserved.

FIGURE 10 in What nymphal morphology can tell us about parental investment - a group of cockroach hatchlings in Baltic amber documented by a multi-method approach

FIGURE 10. Blattodean nymphs in Baltic amber. 1-4, Specimen PE 61065, dorsal view (1), distinct pigmentation of cuticula visible; ventral view (2); and stereo-images of PE 61065 (3-4). Images presented as red-cyan stereo-anaglyphs; please use red-cyan glasses to view. 5-6, Specimen ZMUC 901795, close-up image of the head (5) and closeup image of the head lateral view (6). Abbreviation: ml, femur of metathoracic leg. Other abbreviations are the same as in Figures 2 and 4.

Figure 1 in Two new genera and species of tiger beetles from Baltic amber (Coleoptera: Carabidae: Cicindelinae)

Figure 1. Palaeopronyssiformia groehni, new genus, new species, light microscopic image of the holotype, dorsal aspect.

Figures 6–11 in Two new genera and species of tiger beetles from Baltic amber (Coleoptera: Carabidae: Cicindelinae)

Figures 6–11. Palaeopronyssiformia groehni, new genus, new species, volume rendering of the holotype. 6) Head, frontal aspect; the black arrows point to the insertions of the supraorbital setae and the labral setae. 7) Anterior part of head with labrum; the reconstructed contour line of labrum is shown below (the white circles represent the pores of the six labral setae). 8) Frontal section through head with mandibles; the reconstructed contour line of the apical portion of mandibles is shown below. 9) Head, ventral aspect. 10) Anterior part of head showing palps; note that the terminal labial palpomeres are not shown due to limited scanning sector. 11) Labial palpomeres; note that based on this scanning results most setae show too low contrast and can thus not be imaged. Abbreviations: ant: antenna; ce: compound eye; ct: central tooth of labrum; hc: head capsule; hyp: hypopharynx; la-e: external latero-apical tooth of labrum; la-i: internal latero-apical tooth of labrum; lbp: labial palps; ll: lateral lobe of labrum; mdb-l: left mandible; mdb-r: right mandible; mo: molar; mxp: maxillary palps; ti: teeth of the incisor region.

Figures 12–13 in Two new genera and species of tiger beetles from Baltic amber (Coleoptera: Carabidae: Cicindelinae)

Figures 12–13. Simplified reconstructions of the general habitus of the holotypes. The probable respective outlines of those parts of the body which could not be visualized are marked as dotted lines. 12) Palaeopronyssiformia groehni, new genus, new species. 13) Palaeoiresina cassolai, new genus, new species.

Figures 17–20 in Two new genera and species of tiger beetles from Baltic amber (Coleoptera: Carabidae: Cicindelinae)

Figures 17–20. Palaeoiresina cassolai, new genus, new species, volume rendering of the holotype. 17) Head, frontal aspect (the black arrows point to the insertions of the supraorbital setae, the clypeal seta and the labral setae); the reconstructed contour line of the labrum is shown below (the white circles represent the pores of the six labral setae). 18) Anterior part of head with mandibles; the reconstructed contour line of the apical portion of mandibles is shown below. 19) Anterior part of body with head and prothorax, right lateral view; the right apical palpomere of labium is shown based on an additional scan. 20) Pronotum, dorsal aspect. Abbreviations: ant: antenna; ce: compound eye; ga: galea; ita: anterior tooth of incisor region of mandibles; itm: median tooth of incisor region; lam: anterior margin of labrum; lbm: basal margin of labrum; lbp: labial palps; mdb-l: left mandible; mdb-r: right mandible; mxp: maxillary palps; paf: anterior transversal furrow of pronotum; pam: pronotal apical margin; pbf: posterior transversal furrow of pronotum; pbm: pronotal basal margin; pcx: procoxa; sc: antennal scape.

Figures 3–5 in Two new genera and species of tiger beetles from Baltic amber (Coleoptera: Carabidae: Cicindelinae)

Figures 3–5. Palaeopronyssiformia groehni, new genus, new species, light microscopic image of the holotype. 3) Terminal part of left hind leg broken away from the specimen (preserved near the left corner of the amber piece as shown in fig. 5), and several stellate hairs (syninclusions) mainly near bottom of this photo. 4) Ventral aspect of body; latter is fully covered by milky coating. 5) General view with contours of the amber piece.

Figures 14–16 in Two new genera and species of tiger beetles from Baltic amber (Coleoptera: Carabidae: Cicindelinae)

Figures 14–16. Palaeoiresina cassolai, new genus, new species, light microscopic image of the holotype. 14) General view with contours of the amber piece. 15) Dorsal view; the amber piece is broken together with the apical portion of the elytra and makes a hole into the beetle's abdomen. 16) Lateral view of the anterior portion of body.