<documentID-CLB-Dataset="33136"ID-DOI="http://dx.doi.org/10.3897/jhr.55.5322"ID-GBIF-Dataset="d9db17eb-88ab-4aed-a2fa-586ea175c563"ID-Pensoft-Pub="1314-2607-55-129"ID-Pensoft-UUID="F420CD60FF9BFF993812FFAA8A0F7A6F"ID-ZBK="1E275640D5C64048ACBBA17FFEC2D098"ID-Zenodo-Dep="575082"ID-ZooBank="1E275640D5C64048ACBBA17FFEC2D098"ModsDocAuthor=""ModsDocDate="2017"ModsDocID="1314-2607-55-129"ModsDocOrigin="Journal of Hymenoptera Research 55"ModsDocTitle="Contribution to the study of the genus Stethantyx Townes (Hymenoptera, Ichneumonidae, Tersilochinae), with the description of a new species from Brazil"checkinTime="1493464741596"checkinUser="pensoft"docAuthor="Khalaim, Andrey I."docDate="2017"docId="0315C2D9F9DC09B60D9A66D6F2FD72B6"docLanguage="en"docName="JourHymenoptRes 55: 129-138"docOrigin="Journal of Hymenoptera Research 55"docPubDate="2017-04-28"docSource="http://dx.doi.org/10.3897/jhr.55.5322"docTitle="Stethantyx durrelli Khalaim 2017, sp. n."docType="treatment"docUuid="8057ADFA-7E53-465E-A982-8CA6BC87316E"docUuidSource="ZooBank"docVersion="6"id="F420CD60FF9BFF993812FFAA8A0F7A6F"lastPageNumber="137"masterDocId="F420CD60FF9BFF993812FFAA8A0F7A6F"masterDocTitle="Contribution to the study of the genus Stethantyx Townes (Hymenoptera, Ichneumonidae, Tersilochinae), with the description of a new species from Brazil"masterLastPageNumber="138"masterPageNumber="129"pageNumber="132"updateTime="1732879758801"updateUser="ExternalLinkService">
<mods:titleid="5E1EE7DD6CA1A978CCEDDB73F9DB417C">Contribution to the study of the genus Stethantyx Townes (Hymenoptera, Ichneumonidae, Tersilochinae), with the description of a new species from Brazil</mods:title>
<mods:affiliationid="86B5F4370A5A1F8F6FCACFC1B0B85983">Zoological Institute, Russian Academy of Sciences, St. Petersburg, Russia & Facultad de Ingenieria y Ciencias, Universidad Autonoma de Tamaulipas, Cd. Victoria, Mexico</mods:affiliation>
<figureCitationid="0A27F614A49136A956BD199522CEB5FB"captionStart="Figures 8–14"captionStartId="F2"captionText="Figures 8 - 14. Stethantyx durrelli sp. n., female, holotype: 8 mesosoma, lateral view 9 mesoscutum and scutellum, lateral view 10 propodeum, dorsal view 11 propodeum, dorso-postero-lateral view 12 hind femur and tibia, lateral view 13 apex of fore wing 14 basal part of hind wing."figureDoi="10.3897/jhr.55.5322.figures8-14"httpUri="https://binary.pensoft.net/fig/133956"pageId="3"pageNumber="132">, 8-14</figureCitation>
<figureCitationid="8C7564807A1B1EC96658BD66D4CF9113"captionStart="Figures 15–21"captionStartId="F3"captionText="Figures 15 - 21. Stethantyx durrelli sp. n., female, holotype (15 - 18) and male, paratype (19 - 21): 15 first tergite, lateral view 16 glymma, lateral view 17 first and second tergites, dorsal view (the arrow points to the hind end of second tergite) 18 apex of ovipositor, lateral view 19 antenna, lateral view 20 propodeum, dorsolateral view 21 propodeum and first tergite, lateral view."figureDoi="10.3897/jhr.55.5322.figures15-21"httpUri="https://binary.pensoft.net/fig/133958"pageId="3"pageNumber="132">, 15-21</figureCitation>
<figureCitationid="F65C0760082E1B9F01DC441F5202BBBA"captionStart="Figures 15–21"captionStartId="F3"captionText="Figures 15 - 21. Stethantyx durrelli sp. n., female, holotype (15 - 18) and male, paratype (19 - 21): 15 first tergite, lateral view 16 glymma, lateral view 17 first and second tergites, dorsal view (the arrow points to the hind end of second tergite) 18 apex of ovipositor, lateral view 19 antenna, lateral view 20 propodeum, dorsolateral view 21 propodeum and first tergite, lateral view."figureDoi="10.3897/jhr.55.5322.figures15-21"httpUri="https://binary.pensoft.net/fig/133958"pageId="3"pageNumber="132">20</figureCitation>
), without coarse, irregular rugae; fore wing with intercubitus 5.0 times as long as abscissa of cubitus between intercubitus and second recurrent vein (Fig.
<figureCitationid="F5709C73AB79F8EE66CA73EC97865CAD"captionStart="Figures 15–21"captionStartId="F3"captionText="Figures 15 - 21. Stethantyx durrelli sp. n., female, holotype (15 - 18) and male, paratype (19 - 21): 15 first tergite, lateral view 16 glymma, lateral view 17 first and second tergites, dorsal view (the arrow points to the hind end of second tergite) 18 apex of ovipositor, lateral view 19 antenna, lateral view 20 propodeum, dorsolateral view 21 propodeum and first tergite, lateral view."figureDoi="10.3897/jhr.55.5322.figures15-21"httpUri="https://binary.pensoft.net/fig/133958"pageId="3"pageNumber="132">15</figureCitation>
<figureCitationid="27E4F6B8EFB42A803A0989113F740C83"captionStart="Figures 15–21"captionStartId="F3"captionText="Figures 15 - 21. Stethantyx durrelli sp. n., female, holotype (15 - 18) and male, paratype (19 - 21): 15 first tergite, lateral view 16 glymma, lateral view 17 first and second tergites, dorsal view (the arrow points to the hind end of second tergite) 18 apex of ovipositor, lateral view 19 antenna, lateral view 20 propodeum, dorsolateral view 21 propodeum and first tergite, lateral view."figureDoi="10.3897/jhr.55.5322.figures15-21"httpUri="https://binary.pensoft.net/fig/133958"pageId="3"pageNumber="132">16</figureCitation>
<figureCitationid="EC18661540CB52D44433757837929DE0"captionStart="Figures 15–21"captionStartId="F3"captionText="Figures 15 - 21. Stethantyx durrelli sp. n., female, holotype (15 - 18) and male, paratype (19 - 21): 15 first tergite, lateral view 16 glymma, lateral view 17 first and second tergites, dorsal view (the arrow points to the hind end of second tergite) 18 apex of ovipositor, lateral view 19 antenna, lateral view 20 propodeum, dorsolateral view 21 propodeum and first tergite, lateral view."figureDoi="10.3897/jhr.55.5322.figures15-21"httpUri="https://binary.pensoft.net/fig/133958"pageId="3"pageNumber="132">21</figureCitation>
<figureCitationid="180187AF1E1D02C22B18CADA8A5DA5BE"captionStart="Figures 15–21"captionStartId="F3"captionText="Figures 15 - 21. Stethantyx durrelli sp. n., female, holotype (15 - 18) and male, paratype (19 - 21): 15 first tergite, lateral view 16 glymma, lateral view 17 first and second tergites, dorsal view (the arrow points to the hind end of second tergite) 18 apex of ovipositor, lateral view 19 antenna, lateral view 20 propodeum, dorsolateral view 21 propodeum and first tergite, lateral view."figureDoi="10.3897/jhr.55.5322.figures15-21"httpUri="https://binary.pensoft.net/fig/133958"pageId="3"pageNumber="132">18</figureCitation>
); temple 0.7 times as long as eye width. Mandible finely and densely punctate basally, upper tooth distinctly longer than lower. Clypeus broad, lenticular, 3.2 times as long as broad (Fig.
), separated from face by shallow broad impression, densely and coarsely punctate in upper half, smooth and impunctate in lower half, weakly convex in lateral view. Malar space half as long as basal mandibular width. Maxillary and labial palpi short (Fig.
, except basal and apical ones, distinctly transverse; flagellomeres 2 to 7-9 (weak and inconspicuous on flagellomeres 8 and 9) bearing finger-shaped subapical structures on outer surface (Fig.
). Face with rather dense and long brownish setae, centrally with blunt prominence. Face and frons densely punctate (distance between punctures mostly shorter than one puncture diameter), very finely granulate to almost smooth between punctures, dull. Vertex and temple with moderately dense punctures, smooth and weakly shining between punctures. Occipital carina complete. Hypostomal carina completely absent (Fig.
). Scutellum with moderately dense punctures, dull, finely granulate between punctures, with lateral longitudinal carinae strong, developed in its anterior 0.7 (Fig.
). Foveate groove of mesopleuron long, moderately broad, crenulate, extending almost entire length of mesopleuron, weak anteriorly (evanescent near epicnemial carina) and very deep and sharp centrally and posteriorly (Fig.
). Mesopleuron distinctly and densely punctate, with impunctate area above foveate groove in its anterior part, smooth between punctures centrally and finely granulate peripherally (Fig.
); lower part and periphery of dorsolateral area with shallow irregular wrinkles. Basal area of propodeum slightly widened anteriorly, 1.6 times as long as anteriorly broad and 0.65 times as long as apical area; basal longitudinal carinae weak (Figs
) with second recurrent vein (2m-cu) weakly postfurcal. First and second abscissae of radius (Rs+2r and Rs) angled about 120°. Intercubitus (2rs-m) not thickened, very long, about 5.0 times as long as abscissa of cubitus (M) between intercubitus and second recurrent vein. First abscissa of radius almost straight, 2.5 times as long as width of pterostigma. Metacarpus (R1) not reaching apex of fore wing. Hind wing with nervellus (cu1&cu-a) strongly inclivous (Fig.
First metasomal segment very slender, 5.4 times as long as posteriorly broad, trapeziform in cross-section, arcuate in lateral view, smooth, with glymma situated somewhat behind its middle (Fig.
<figureCitationid="000D661588CC08B9A0AE9AA40DFB56F2"captionStart="Figures 15–21"captionStartId="F3"captionText="Figures 15 - 21. Stethantyx durrelli sp. n., female, holotype (15 - 18) and male, paratype (19 - 21): 15 first tergite, lateral view 16 glymma, lateral view 17 first and second tergites, dorsal view (the arrow points to the hind end of second tergite) 18 apex of ovipositor, lateral view 19 antenna, lateral view 20 propodeum, dorsolateral view 21 propodeum and first tergite, lateral view."figureDoi="10.3897/jhr.55.5322.figures15-21"httpUri="https://binary.pensoft.net/fig/133958"pageId="5"pageNumber="134">15</figureCitation>
<figureCitationid="2ED4A40B4F46F55B715165D54ED9153A"captionStart="Figures 15–21"captionStartId="F3"captionText="Figures 15 - 21. Stethantyx durrelli sp. n., female, holotype (15 - 18) and male, paratype (19 - 21): 15 first tergite, lateral view 16 glymma, lateral view 17 first and second tergites, dorsal view (the arrow points to the hind end of second tergite) 18 apex of ovipositor, lateral view 19 antenna, lateral view 20 propodeum, dorsolateral view 21 propodeum and first tergite, lateral view."figureDoi="10.3897/jhr.55.5322.figures15-21"httpUri="https://binary.pensoft.net/fig/133958"pageId="5"pageNumber="134">16</figureCitation>
<figureCitationid="C08A3A5E325AE3C2A6538F29AEADA7EC"captionStart="Figures 15–21"captionStartId="F3"captionText="Figures 15 - 21. Stethantyx durrelli sp. n., female, holotype (15 - 18) and male, paratype (19 - 21): 15 first tergite, lateral view 16 glymma, lateral view 17 first and second tergites, dorsal view (the arrow points to the hind end of second tergite) 18 apex of ovipositor, lateral view 19 antenna, lateral view 20 propodeum, dorsolateral view 21 propodeum and first tergite, lateral view."figureDoi="10.3897/jhr.55.5322.figures15-21"httpUri="https://binary.pensoft.net/fig/133958"pageId="5"pageNumber="134">17</figureCitation>
<figureCitationid="CB2FC4C7C398223E023D946D439B1C6A"captionStart="Figures 15–21"captionStartId="F3"captionText="Figures 15 - 21. Stethantyx durrelli sp. n., female, holotype (15 - 18) and male, paratype (19 - 21): 15 first tergite, lateral view 16 glymma, lateral view 17 first and second tergites, dorsal view (the arrow points to the hind end of second tergite) 18 apex of ovipositor, lateral view 19 antenna, lateral view 20 propodeum, dorsolateral view 21 propodeum and first tergite, lateral view."figureDoi="10.3897/jhr.55.5322.figures15-21"httpUri="https://binary.pensoft.net/fig/133958"pageId="5"pageNumber="134">17</figureCitation>
); thyridium slightly elongate, separated from anterior margin of second tergite by 3.5 times times maximum diameter of thyridium. Ovipositor upcurved, with a deep dorsal subapical notch; sheath 1.9 times as long as first tergite and 1.75 times as long as hind tibia.
<paragraphid="49B42CD09A7A89750BD2AE7DEF158F62"pageId="5"pageNumber="134">Head black; palpi, lower half of clypeus and mandible (except black teeth) brownish yellow. Antenna with scape and pedicel dark brown, flagellum black. Mesosoma (including tegula) black. Pterostigma pale brown. Legs brownish yellow; all coxae black; trochanters brown to brownish black; fore and mid femora brownish; hind femur brown, on lower and inner sides brownish black. Metasomal tergite 1 black, following tergites brown. Wings infumate with yellow-brown.</paragraph>
<figureCitationid="AB3CC9A66070FA9F51F6D68F6476DAE2"captionStart="Figures 15–21"captionStartId="F3"captionText="Figures 15 - 21. Stethantyx durrelli sp. n., female, holotype (15 - 18) and male, paratype (19 - 21): 15 first tergite, lateral view 16 glymma, lateral view 17 first and second tergites, dorsal view (the arrow points to the hind end of second tergite) 18 apex of ovipositor, lateral view 19 antenna, lateral view 20 propodeum, dorsolateral view 21 propodeum and first tergite, lateral view."figureDoi="10.3897/jhr.55.5322.figures15-21"httpUri="https://binary.pensoft.net/fig/133958"pageId="6"pageNumber="135">19</figureCitation>
); flagellomeres 3 to 8-10 (weak and inconspicuous on flagellomeres 9 and 10) bearing finger-shaped subapical structures on outer surface. Malar space 0.4 times as long as basal mandibular width. Propodeal spiracle separated from pleural carina by 0.5-1.0 times diameter of spiracle. Basal area of propodeum 0.7-0.8 times as long as apical area (Fig.
<figureCitationid="3C89E8056FAD30F6CE335796F212D769"captionStart="Figures 15–21"captionStartId="F3"captionText="Figures 15 - 21. Stethantyx durrelli sp. n., female, holotype (15 - 18) and male, paratype (19 - 21): 15 first tergite, lateral view 16 glymma, lateral view 17 first and second tergites, dorsal view (the arrow points to the hind end of second tergite) 18 apex of ovipositor, lateral view 19 antenna, lateral view 20 propodeum, dorsolateral view 21 propodeum and first tergite, lateral view."figureDoi="10.3897/jhr.55.5322.figures15-21"httpUri="https://binary.pensoft.net/fig/133958"pageId="6"pageNumber="135">20</figureCitation>
<figureCitationid="3E0C8502E9263E0E1B2EFD0FFCEE958F"captionStart="Figures 15–21"captionStartId="F3"captionText="Figures 15 - 21. Stethantyx durrelli sp. n., female, holotype (15 - 18) and male, paratype (19 - 21): 15 first tergite, lateral view 16 glymma, lateral view 17 first and second tergites, dorsal view (the arrow points to the hind end of second tergite) 18 apex of ovipositor, lateral view 19 antenna, lateral view 20 propodeum, dorsolateral view 21 propodeum and first tergite, lateral view."figureDoi="10.3897/jhr.55.5322.figures15-21"httpUri="https://binary.pensoft.net/fig/133958"pageId="7"pageNumber="136">21</figureCitation>
Paulo has metapleuron almost entirely covered with fine vertical wrinkles; dorsolateral area of propodeum with punctures mostly indistinct because of numerous fine wrinkles; basal area rather indistinct (basal longitudinal carinae weak); apical area hexagonal (apical longitudinal carinae ending anteriorly far from the posterior end of basal longitudinal carinae), impunctate; and nervellus less inclivous.
<paragraphid="C67D1014F2D1F039CD359A02CECAFA9B"pageId="7"pageNumber="136">The new species is named in honour of Gerald Durrell (1925-1995), a well-known British naturalist and author of many popular books about animals.</paragraph>
