identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
92AD0C62CF6D5440A514D07A3A61C30A.text	92AD0C62CF6D5440A514D07A3A61C30A.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Stiphromyrmex robustus (Mayr 1868)	<div><p>Stiphromyrmex robustus (Mayr, 1868)</p><p>Material examined.</p><p>Queen, complete specimen, Poland, Gulf of Gdansk, Baltic amber, collection number BS 056/065 ; currently, until the end of Russia’s war against Ukraine, it is stored in the private collection of H. - W. Ribbecke, Germany, and after that it will be transferred to the I. I. Schmalhausen Institute of Zoology of the National Academy of Sciences of Ukraine, Kiev; worker, neotype, Poland, Gulf of Gdansk, Baltic amber, No. 8483, deposited in the Muzeum Ziemi of the Polish Academy of Sciences, Warsaw .</p><p>First description of queen.</p><p>Figs 1 A, B, 2 A, B. Body length 5.5 mm. Head width not properly measurable in specimen, but head appears slightly elongated, with almost straight and subparallel sides, narrowly rounded occipital corners and straight occipital margin. Eyes of moderate size, elongate-oval, situated in front of midlength of sides of head. Ocelli barely visible due to nature of sculpture (see below). Frontal carinae absent; frontal lobes weakly developed, horizontal, antennal sockets mostly exposed and toruli not concealed by frontal lobes; antennal scrobes absent. Clypeus posteriorly rather widely inserted between frontal lobes, its median part flattened, delineated laterally by coarse longitudinal carinae, with three longitudinal costae each, terminated at the apices with sharp teeth; lateral parts of clypeus raised into a ridge in front of toruli; anterior clypeal margin with paired long setae, without medial seta, its median part almost straight. Mandibles rather long, with distinct masticatory margin, armed with two large sharp apical teeth followed by two blunt tuberculate denticles. Maxillary palps 4 - segmented, labial palps 3 - segmented. Antennae 12 - segmented, with distinct 3 - segmented club. Antennal scape gradually curved at base and with no trace of lobe or carina, relatively short, far not reaching occipital margin. First funicular segment ca. twice as long as wide, 2 nd – 8 th segments transverse, total length of 9 th – 11 th segments subequal to total length of preceding segments.</p><p>Mesosoma short, high, and robust. Pronotum well developed, scutum slightly convex, scutellum flattened. Propodeal dorsum feebly convex, somewhat shorter than posterior surface, propodeal lobes slightly angulated but not pointed. Propodeal spines widened at the base, very long, ca. half of head length, curved down along their length, sharply pointed at apices, and subparallel (as seen from above). Petiole of moderate length and quite low, PL / PH 1.74, PL / HL 0.45; length of anterior peduncle subequal to length of node; anterior surface of node concave, its dorsum rounded, posterior surface somewhat convex, gradually sloping backwards; petiole ventrally with longitudinal lamella. Postpetiole subglobular, 1.35 times as wide as petiole. Legs of moderate length (HTL / ML 0.51, HFL / ML 0.67), femora and tibiae somewhat incrassated, pretarsal claws simple, arolia well developed. Meso- and metatibiae with well-developed simple spur.</p><p>Body coarsely sculptured. Entire head (except for clypeus), pronotum, scutum, scutellum and propodeal dorsum with big and deep foveae, that touch each other; mesopleura and sides of propodeum with very coarse longitudinal costae; petiolar node and postpetiole with less coarse costulate sculpture; base of first gastral tergite near postpetiole with short longitudinal costulae; gastral tergites with scattered piligerous pits or small foveae. Mandibles with longitudinal rugae.</p><p>Head and mesosoma with sparse, long erect and short suberect setae; petiolar node dorsum with two suberect setae; shorter suberect setae are visible only on ventral surface of postpetiole. All gastral sternites with quite numerous and long subdecumbent to suberect setae; first gastral tergite appears bare, pilosity on remaining tergites are hidden by whitish coating. Antennae and legs with abundant short subdecumbent pilosity.</p><p>Measurements (in mm) and ratios: HL 1.14, SL 0.73, OL 0.22, OW 0.17, GL 0.16, MdL 0.60, ML 1.46, MH 0.94, PL 0.52, PH 0.30, PW 0.26, PPL 0.39, PPH 0.33, PPW 0.35, HTL 0.74, HFL 0.98, ESL 0.55, ESD 0.52; SL / HL 0.64, OL / HL 0.19, OL / OW 1.31, OL / GL 1.42, MdL / HL 0.52, PL / PH 1.74, PL / PW 2.00, PL / HL 0.45, PPL / PPH 1.20, PPW / PW 1.35, ESL / HL 0.48, ESD / ESL 0.95, ML / MH 1.56, HTL / ML 0.51, HFL / ML 0.67.</p><p>Males unknown.</p><p>The studied queen possesses all the diagnostic features of the Stiphromyrmex robustus workers, differing from them by the structure of the mesosoma and sculpture of the mesopleura and sides of the propodeum, which are longitudinally coarsely costulate (compare Fig. 1 and Fig. 3). It undoubtedly belongs to this genus and most likely to S. robustus . However, we do not exclude that it may belong to another, as yet undescribed species of this genus, but we have no arguments in favor of this assumption. Therefore, for now, we classify it as Stiphromyrmex robustus .</p></div>	https://treatment.plazi.org/id/92AD0C62CF6D5440A514D07A3A61C30A	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	Radchenko, Alexander;Ribbecke, Hans-Werner	Radchenko, Alexander, Ribbecke, Hans-Werner (2025): Taxonomic position of the fossil ant genus Stiphromyrmex Wheeler (Hymenoptera: Formicidae), with the first description of its queen. Contributions to Entomology 75 (2): 361-369, DOI: 10.3897/contrib.entomol.75.e173576
