identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
03D487989326FFC2F8934B8E5105F95F.text	03D487989326FFC2F8934B8E5105F95F.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Decameria interrupta (Fabricius 1804)	<div><p>Decameria interrupta (Fabricius, 1804) .</p><p>BRAZIL, SÃO PAULO state: material originated from the collected larva: Salesópolis municipality, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-46.938473&amp;materialsCitation.latitude=-23.234028" title="Search Plazi for locations around (long -46.938473/lat -23.234028)">Estação Biológica de Boraceia</a>, Auricularia fuscosuccinea, larvae 18.x.2008, F.F. Albertoni and M.A. Ulysséa leg.: one female imago (dry preserved, MZSP HYM 56556): cocoon 27.x.2008, adult fixed 01.xii.2008; one prepupa larva (alcohol preserved, MZSP) 31.x.2008; one pupa 02.xii.2008 (alcohol preserved, MZSP); five cocoons and two decaying prepupae, no date (alcohol preserved, MZSP). Additional material examined: Jundiaí, R<a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-46.938473&amp;materialsCitation.latitude=-23.234028" title="Search Plazi for locations around (long -46.938473/lat -23.234028)">.B. da Serra do Japi</a>, 23°14 ʹ 02.5”S, 46°56 ʹ 18.5”W. 03.x.2009. Malaise III. AS Soares and eq. col.: one female (MZSP HYM 0146001), one female (MZSP HYM 0146002).</p><p>Decameria interrupta (Fabricius, 1804)</p><p>Hylotoma interrupta Fabricius, 1804: 21 (described)</p><p>Lophyrus interruptus Lepeletier de Saint-Fargeau 1823: 57 (change of combination)</p><p>Decameria testacea Kirby, 1882: 93–94 (synonymy by Konow 1896: 308–309)</p><p>Decameria interrupta Konow 1896: 308–309 (change of combination)</p><p>Decameria tricolour Jörgensen, 1913: 251, 263–264 (synonymy by Benson and Conde 1938: 139)</p><p>Acherdocerus interruptus Benson and Conde 1938: 139 (change of combination)</p><p>Biological notes</p><p>Five full-grown larvae of D. interrupta (Figure 1 (a–c)) were found on two clusters of basidiocarps of the jelly fungus Auricularia fuscosuccinea, alongside four larvae of Iphiclus simplex (Lacordaire, 1842) ( Coleoptera: Erotylidae) on 18.x.2008. Decameria interrupta larvae fed by scraping the soft, jelly-like surface of the basidiocarps’ abaxial side. The same feeding pattern was observed in I. simplex larvae; however, the scars left on the basidiocarp surface differed between species (Figure 2 (c)). The mandibles of I. simplex left wavelike patterns on the fungus surface, while those of D. interrupta produced no specific pattern, instead leaving an unsmooth surface.</p><p>After collection, the larvae were reared for approximately 40 days until they ceased feeding and constructed cocoons on the remaining parts of the fungus basidiocarps (Figure 3 (a–c)). Female adult emerged 35 days later, on 01.xii.2008. The cocoons were black, and were constructed with silk and a secretion that helped agglutinate and mould the oval structure. Larvae that fed adequately before the fungus decomposed successfully entered the prepupal stage (n = 3), while the other two perished inside their cocoons before moulting.</p><p>Description of full-grown larva of Decameria interrupta (Fabricius, 1804)</p><p>(Figures 1 (a–c, 2(a–d)))</p><p>Diagnosis. Last-instar larvae of D. interrupta can be easily distinguished from the known larvae of other Pergidae species by the presence of considerably elongated black tubercles on the thorax and abdomen, as well as by the colouration pattern of the integument, which features small yellow spots and black tubercles with black bases (except for the lower tubercles on the abdominal sides, which are whitish) on a grey body background.</p><p>Body elongate, slightly narrowing posteriorly. Small, spiniform tubercles dorsally and laterally distributed on all segment annulets (Figures 1 (a,b) and 2(a,b)), several bearing pale setae. General body colour grey with light yellow areas, black on several tubercle bases; turning pale on lower part of lateral tegument.</p><p>Head (Figure 2 (a,b,d)). orange, with many darker spots, covered with many pale setae; frons pentagonal (orthogonal), on each side with two diverging rows of three setae near clypeus and two converging rows of five setae towards coronal suture (Figure 2 (d)); coronal suture with black patch near junction with frontal sutures. Ocularium with thin black patch surrounding stemmatum.</p><p>Thorax. Each segment with two annulets (1 and 2). Prothorax the shortest; annulet 1 strongly narrowed with one pair of light yellow, rounded apex tubercles; annulet 2 with few dorso-lateral spiniform tubercles darkened apices, and one pair of black, elongate (around half thoracic width) tubercules, bearing several setae; anteriorly with one pair of dorso-lateral elongate tubercles. Mesothorax annulet 1 with one pair of black, conical tubercles; annulet 2 each side with around three spiniform tubercles and one elongate black tubercle; lateral sides with conical protuberances, dorsally ornamented with several small spiniform tubercles, ventrally with several setae and with one elongate, black tubercule. Metathorax very similar to mesothorax.</p><p>Abdomen (Figure 1 (a–c)). Segments I–IX each with three annulets; annulet 1 with one pair of small, black, spiniform tubercles; annulet 2 with one pair of two joined small, black, spiniform tubercles; annulet 3 each side with around 3 small, black, spiniform tubercles. Dorso-lateral tubercles strongly elongated (around 1× abdominal width or more) on annulet 3 of segments III, V, VII–IX; elongate on segments IV and VI; tubercles VII–IX the longest and IX longitudinally aligned to larval body. Segments I–IX laterally, on each side with two spiniform tubercles, each arising from the middle of a subequal, rounded and black patch; beneath them, one more elongate pale supra-pedal process, bearing several setae.</p><p>Description of prepupa of Decameria interrupta (Fabricius, 1804)</p><p>(Figures 3 (a), 4(a–d))</p><p>Measurements (n = 1). Body length: 6.1 mm; body width: 1.8 mm; head width: 0.3 mm.</p><p>Head (Figures 3 (a), 4(a–d)). Partially visible in dorsal view; predominantly cream-coloured, lower portion of frontal suture, labrum and mandibles brown; bearing sparsely distributed yellow setae and epistomal suture; vertex rounded in front view (c1; 0); flattened antennal papilla with two segments (c2; 1); antennal diameter subequal to larval eye diameter (c4; 0); distance between larval eye and frontal sulci 1.4× greater than antennal socket diameter. Mandibles tridentate, with the middle tooth 1.5× larger than the other teeth; labrum with four setae, and with mesal emargination and lateral longitudinal sulci absent (c9; 0). Maxillary palps four-segmented (c16; 2); first palpomere 0.7× the length of second (c17; 1); second 1.3× the length of third; third 0.6× the length of fourth; fourth palpomere conical. Galea with simple apex (smooth) (c30; 0), measuring approx. 0.8× the length of the maxillary palpi. Labial palps three-segmented; first labial palp 1.75× longer than second (c31; 2), third simple, conical, 1.36× longer than second palp (c33; 2).</p><p>Thorax (Figures 3 (a), 4(a–c)). All thoracic segments with two annulets (1 and 2). Elongated, recumbent thoracic spiracles with brownish edges present on the prothorax and mesothorax; metathoracic spiracle absent. Prothorax annulet 1 (pra1) very narrow in dorsal view, with two dorso-lateral tubercles, each bearing three small setae at their apex, and one lateral rounded projection with many setae; annulet 2 (pra2) with two dorsal tubercles, each bearing two apical setae, and two rounded, dorso-lateral projections with five apical setae. Mesothorax annulet 1 (msa1) with two brown, dorsal tubercles, apically divided into two tegument prominences each bearing one seta; annulet 2 (msa2) with four dorsal tubercles, each with one apical seta and dorso-lateral projections similar to those of prothorax, but smaller; lateral region of the mesothorax tuberous, with eight apices with one seta each, and rounded projection with many setae in the apical region. Metathorax similar to mesothorax, with the distance between the dorsal tubercles slightly greater. Thoracic legs with seven segments, including simple tarsal claw, empodium absent (c50; 0); foreleg without any visible gland; coxae of hind legs cylindrical, with basal width subequal to its apical width (c44; 0); hind coxa 0.5× combined length of other segments (c45; 0); trochanter femur with apical end outlined by setae; outer side of tibia with two transverse rows of three to four setae each, one basal and one apical; tarsus with two median setae and one transversal row of four setae apically; lateral sutures on coxae absent (c46; 0).</p><p>Abdomen (Figures 3 (a), 4(a,b)). One pair of fused larvapods in abdominal segments III–IX and X, larvapods fused through low transverse lamella (c60; 1); length between 0.4× and 0.8× width at base (c59; 0). Tergites I– VII similar, each with three annulets (annulets 1–3) (c66; 1); annulet 1 with two brown, dorsal tubercles; annulet 2 with four brown, dorsal tubercles (tubercles between abdominal tergites III–V have slightly sclerotised white apices); annulet 3 with four cream-coloured dorsal tubercles. Each tubercle of all annulets with apical seta. Latero-dorsal process in all annulets 3, on tergites I–II and VII latero-dorsal process reduced compared to others; latero-dorsal processes on tergites III–VI between 2–3× longer than those on tergites I–II and VII; latero-dorsal process on tergites VIII–IX about twice as long as those on tergites III–VI. Abdominal tergites I–VIII with brown supra-spiracular lobes. Tergites I–IX with supra-pedal lobes; postero-spiracular lobe present in tergites I–VIII. Abdominal spiracles on terga I–VIII diagonally elongated, upside turned left, with brown edges.</p><p>Description of pupa of Decameria interrupta (Fabricius, 1804) (pharate adult)</p><p>(Figure 5 (a–c))</p><p>Measurements (n = 1). Body length: 7.3 mm; largest thoracic width: 2.2 mm (base of posterior part of alar teca); largest abdominal width: 2.8 mm.</p><p>Body oblong, adecticous, exarate, length of abdominal segments almost two thirds of the whole body. Colouration not of the pupa, but the pharate imago. Dorsally slightly convex. Integument smooth. Head slightly visible dorsally. Antennae overlapping fore and mid legs, distally extending to underneath posterior femur. Three well-defined ocelli. Maxillary and labial palpi represented by trapezoidal elevation under the mandibles. Thorax short, encompassing almost one-third of pupal length. Prothorax anteriorly tilted downwards, partially concealing head from above. Anterior part of mesothorax medially emarginated by prothorax. Fore femur and tibia positioned between head and thorax, hind femur resting on posterior alar bud. Abdomen nine-segmented, with eight visible sternites, second (first visible) strongly reduced, visible between the hind coxae. Segment I–VIII with one pair of dorso-lateral spiracles each, first spiracle hidden by base of posterior alar bud.</p><p>Redescription of female of Decameria interrupta (Fabricius, 1804)</p><p>(Figures 6–8, 9 (a–d) and 10)</p><p>Measurements (n = 3). Body length: 6.43– 4.8 mm; wing length: 7.4– 5.7 mm.</p><p>Head (Figures 6 (a–c), 7(a,b)). Dorsally with curved longitudinal grooves (clg), extending from lateral of clypeus to the vertex, converging posteriorly on the occipital carina (foramen magnum); vertex with a transverse groove (tg) behind ocelli (Figure 7 (a)). Epicranial suture absent (S&amp;W; c5; 0). Inner margin of compound eyes convergent and without emargination (Vl: c1; 0). Dorsal tentorial pit indistinct (Vl: c2; 0). Malar space 0.3× of base of mandible. Clypeus very short, about 6× wider than long, with anterior margin straight (Vl: c3; 0). Labrum partially covering mandibles (Vl: c15; 0), 2.7× wider than long, with weak median emargination and marginal pilosity (2× longer than clypeus). Mandibles unidentate (Vl: c18; 0) twisted, with length 1.13× width of clypeus, and with conspicuous setae at base (mandibular setae 1.15× longer than length of labrum) (Figure 7 (b)). Maxillary palpi with two segments (Vl: c19; 1), and labial palpi with only one segment (S&amp;W: c18; 3), both palpi with sensory pit on apical segment (S&amp;W: c19; 1). Antennae with 10 antennomeres (Vl: c9; 0), with short and dense setae; antenna subserrate, antennomere expanded apically (S&amp;W: c14; 1); first flagellomere 1.6× longer than second (S&amp;W: c16; 1); second flagellomere 1.2× longer than third. Torular diameter equal to distance between them.</p><p>Thorax (Figures 6 (a–c), 8). Pronotum with rows of setae that surround its posterior portion reaching tegula. Mesoscutum punctate, with strongly marked notaulus (VI: c38; 1). Mesepisternum present a darkened ventral region. Mesoscutellum with slightly curved scuto-scutellar groove, with curved lateral margins, shield shaped. Cenchrus elongated and separated by small sclerotised bridge (VI: c56; 2). Fore wing (Figure 8) vein mostly darkened, with veins Rs+M, 1 r-rs, stigma and anterior portion of Rs yellow. Wing cells of fore wing darkened, but anterior part of cell 1 M, 2 M, 1R1, anterior part of Rs and 2R1 yellow translucent. Anal cell of fore wing petiolate. Nygma present in cell 1Rs of fore wing (S&amp;W: c49; 1). Cell 1Cu of hind wing quite long, with length 0.4× length of hind wing. Supplementary cell of hind wing 2.8× longer than that of fore wing (Figure 8). Legs entirely yellow; pretarsus darkened; tarsal claws simple, yellow with darkened apex. All legs with two tibial spurs of equal length.</p><p>Abdomen (Figures 6 (a–c), 7(c), 9(a–d)). Elongated, with tergae VI–IX darkened. Anterior part of tergae IV–VII tomentose (Figure 7 (c)). Ovipositor reduced (Figures 9 (a–d) and 10), slightly sclerotised, composed of widely separated valves. First valvule (lancet) (length 0.64 mm) with last third tapered and curved inwards in ventral view, and downwards in lateral view; media region of the ventral surface convex, with scattered setae (Figure 10). Second valvule (lance) in lateral view (length 0.5 mm) rudderlike, with broad basal region (width 0.24 mm), lower margin tapering abruptly from middle to apex, with two pairs of setae along slope; in ventral view, basal region with longitudinally concave and rough internal surface; apex slightly expanded in fusiform shape, with rough surface and two tiny setae, visible at 40× magnification (Figure 9 (a–d)). Sheath in lateral view short (length 0.6 mm), sclerotised, apically rounded, densely covered with relatively large setae (length 0.09–0.13 mm) (Figure 9 (a), indication).</p><p>Egg (found inside female) (Figure 9 (e)). Egg ovoid, yellow, 0.7 mm in length and 0.4 mm maximum width. Translucent chorion, with a rough surface, covered by small, tangled filaments.</p><p>Geographical distribution</p><p>The type locality of D. interrupta is ‘ America meridionali’. Beyond that, it has been recorded from ARGENTINA: Misiones and BRAZIL: ‘ Amazonas?’, Mato Grosso, Rio de Janeiro, and Santa Catarina. We here include São Paulo state, Salesópolis and Jundiaí municipalities, as new records of the species (Figure 11).</p></div>	https://treatment.plazi.org/id/03D487989326FFC2F8934B8E5105F95F	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Albertoni, Fabiano Fabian;Reis, Pedro Almeida;Oliveira, Sarah Siqueira	Albertoni, Fabiano Fabian, Reis, Pedro Almeida, Oliveira, Sarah Siqueira (2025): Biology and morphology of the jelly fungus-feeding sawfly interrupta (Fabricius, 1804) (Hymenoptera: Pergidae: Perreyiinae. Journal of Natural History 59 (37 - 40): 2385-2404, DOI: 10.1080/00222933.2025.2568170, URL: https://doi.org/10.1080/00222933.2025.2568170
