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| Główni autorzy: | , |
|---|---|
| Format: | Recurso digital |
| Język: | |
| Wydane: |
Zenodo
2025
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| Hasła przedmiotowe: | |
| Dostęp online: | https://doi.org/10.5281/zenodo.17006128 |
| Etykiety: |
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- <p><b><i>Acontista amoenula</i> Gerstaecker, 1889 (Figure 4A)</b></p><p><i>Head.</i> (Figure 5A) Triangular, wider than long. Compound eyes kidney-shaped and barely protruding, outer outline rounded. Ocelli small, as small as the antenna’s pedicel; distance between lateral and central ocelli shorter than lateral-lateral ocelli; distance between lateral ocelli about 2× ocelli length, distance between lateral-central ocelli about 4× ocelli length. Vertex inconspicuously convex, just slightly exceeding an imaginary line connecting the tops of the compound eyes; <b>ps</b> excavated but <b>job</b> not protruding to vertex’s height. Frontal sclerite wider than long, T-shaped, and tripartite.</p><p><i>Prothorax.</i> (Figures 6A) Pronotum elongated, margins smooth with discrete lateral bump more visible in dorsal view (Figure 6A 1), right below expansion of supracoxal dilatation, thin in lateral view (Figure 6A 2). Supracoxal dilatation slender, rounded. Metazone elongated, with constriction almost as wide as prozone without lateral pronotal expansion (Figure 6A 1). Prozone flat in lateral view, metazone almost flattened with anterior part forming a slight bump, posterior end of metazone strongly sloping upwards (Figure 6A 2).</p><p><i>Prothoracic legs.</i> (Figures 7A) Forecoxae elongated, slightly shorter than pronotum (Figure 7A 1). Forefemora robust but slimmer than other species, well developed, and triangular, with a straight dorsal margin (Figure 7A 2). Foretibiae elongated, dorsal margin straight (Figure 7A 3). All femoral and tibial spines same colour as foreleg but with darkened tips (Figure 7A 2, A 3). Spination formula: F = 3DS/14AvS/5PvS; T = 16AvS/19- 20PvS.</p><p><i>Wings.</i> (Figure 8A) Mesothoracic wings slightly longer than metathoracic wings, in resting position the latter projecting slightly beyond apex of former; both wings reaching apex of abdomen; membrane of the costal field of mesothoracic wing densely reticulated with cross veins branching in all directions. Forewing almost entirely green except for lower half of discoidal field which is completely hyaline. Hindwings with vivid orange colouration on costal field and upper part of discoidal and anal fields; right beneath orange portion is a hyaline portion, followed by dark stripe ranging from anal margin towards orange portion, followed by another small hyaline area near hindwing apex. This dark stripe can be thicker or thinner, varying among specimens but always presenting those hyaline regions and marks in this configuration. Veins in forewing green, it being densely reticulated; veins in costal field of the hindwing orange, but longitudinal veins in discoidal and anal fields gradually becoming black.</p><p><i>Abdomen.</i> Ovoid. <b>TG10</b> short, wider than long, convex. <b>CS6</b> broad and long, obtuse, with a small distal central fold towards the <b>gpal8</b>, high number of setae distally; cerci short, shorter than in male, not extending beyond <b>CS6</b>.</p><p><i>Genitalia.</i> (Figures 9A, 10A, 11A, 12A) <b>CG8</b> with inner portion facing <b>sbu</b> rounded, moderately sclerotised, outer portion with two lateral small projections and a larger median projection; <b>spb</b> smooth; <b>agsl</b> smooth, transversal, poorly sclerotised (Figure 9A). <b>CX8</b> larger at base in contact with <b>CG8</b>, inner margin membranous, its curvature at base tapered, almost pointy, outer margin relatively more sclerotised at the <b>cxvl, cxdl</b> small, poorly sclerotised, median part of the <b>gp8</b> with constriction of the <b>CX8</b> with outer margin sclerotised bearing many setae then sharply curving inwards, <b>gpmo8</b> protruding outwards, more sclerotised; <b>gpal8</b> with a few setae in its inner margin and a few more at apex; in lateral view, <b>gp8</b> with discrete vertical enlargement at its medial side-to-side constriction, upper margin bending downwards forming a duct-like structure at medial region, posteriorly bending upwards with moderate curvature to <b>gpal8</b>; inner portion of <b>gp8</b> with multiple setae at bending of upper margin towards <b>gpal8</b> (Figure 10A). <b>gp9</b> membranous, poorly sclerotised, short, beginning near medial constriction of <b>gp8</b> and ending near <b>gpmo8; rh</b> extending through the outer margin from ventral base of <b>gp9</b> and sinuously curving downwards towards ventral portion, <b>gptm9</b> membranous; in lateral view, <b>gp9</b> with sclerotised base widening just before middle, where a membranous dorsal expansion can be observed (Figure 11A). <b>gl9</b> wide, divided into proximal and distal portions, the latter more sclerotised; a few bristle-like spines forming two groups in two clumps, in lateral view, respectively at upper and lower margin, and a few sparse bristles in the distal portion; <b>gpmo9</b> bulge almost inconspicuous, tapered; upper margin of the proximal portion curved inwards and bent over itself, forming an Ω-like cross section (Figure 12A).</p>