Lorenzopius euryteniformis Fischer, 1963

Taxonomic History / Nomenclature
Opius euryteniformis Fischer, 1963: 288-290.
Opius (Nosopoea) euryteniformis: Fischer 1977: 195, 206-208, key, redescription.
Lorenzopius euryteniformis: Wharton et al. (2012): 64-67 (generic transfer).
Placement of this species in Lorenzopius is based on the wing venation and long S1, which is 0.65 x length of T1 in the male holotype; S1 appears fused to T1.

We recognize two distinct species groups within Lorenzopius: the calycomyzae species group containing the orginally included species L. calycomyzae, L. tubulatus, and L. sanlorenzensis and a second group typified by L. euryteniformis (Fischer). All have same basic wing venation and petiole. The precoxal sulcus is distinctly sculptured in the calycomyzae species group but the distinctly impressed sulcus is unsculptured or nearly so in the euryteniformis species group. The smallest specimens of the calycomyzae species group examined during this study are slightly larger than the largest available specimens of the euryteniformis species group and perhaps as a consequence they tend to have slightly longer notauli and more sculpture bordering the supra-marginal carina extending from the base of the notaulus to the tegula. Most of the species we have examined from the euryteniformis species group have reduced propodeal sculpture with the areola clearly visible.

Diagnosis and Relationships
Holotype male. Head in dorsal view with temples neither receding nor expanded beyond eyes; in lateral view, eye about 1.6 x longer than temple. Labrum partly exposed between clypeus and mandibles (Fig. 3); clypeus about twice as wide as tall, flat or nearly so, not distinctly protruding in profile, ventral margin truncate to very weakly concave. Mandible without basal lobe. Malar space well developed, longer than basal width of mandible; malar sulcus deeply impressed. Antenna with 27 flagellomeres. Pronotum dorsally not visible in holotype. Disc of mesoscutum nearly bare, with scattered setae along margin of anterior declivity and a single pair of setae arising about midlength of notauli; notaulus extending posteriorly along anterior 0.3 of disc, less than half distance to small, deep, round midpit; supra-marginal carina distinct anteriorly, not extending to level of tegula. Scuto-scutellar sulcus relatively narrow (Fig. 4), densely crenulate throughout. Precoxal sulcus distinctly impressed, long, narrow, completely unsculptured. Propodeum largely smooth with broad, pentagonal areola on posterior 0.65, anterior 0.35 with median carina. Fore wing stigma long, narrow, with some postmortem curling, but at least 4.5 x longer than width at r1; r1 arising from basal 0.3; second submarginal cell long, weakly converging distally, 3RSa 1.7 x longer than 2RS; 1RS 0.2 x length of 1M; m-cu postfurcal; 2CUb arising a little above middle of hind margin of first subdiscal cell, 2cu-a present, tubular. T1 long, narrow, apparently fused ventrally with S1 for most of its length, 4x longer than apical width, apex as wide as base; surface completely striate. T2 and following smooth, polished.
1. Lorenzopius euryteniform...
2. Lorenzopius euryteniform...
3. Lorenzopius euryteniform...
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5. Lorenzopius euryteniform...
Known only from Costa Rica.

Type locality. Costa Rica, Mount Irazu, 2200-2300 m.

No referenced distribution records have been added to the database for this OTU.
Biology / Hosts
Unknown, but a closely related species, undescribed as of 2012, was reared from an agromyzid leafminer.
Biology and Behavior

There are no specimens currently determined for this OTU, or those specimens determined for this OTU are not yet mappable.

Label data
The holotype bears a single data label containing the following information:
Costa Rica, Irazu,
2200-2300 m, 21-28.
V.’30 Reimoser

The holotype bears a single data label containing the information given above. However, the label data listed in the original description are as follows: “Costa Rica, La Caja bei San José, H. Schmidt”. As this species was described from a single male specimen, and the specimen from Irazu labeled as the holotype matches the original description, it is likely that the locality data in the original publication is an inadvertent error. The new species described immediately before euryteniformis in the same publication is from the La Caja locality. The type locality should therefore be Irazu (a mountain in Costa Rica), somewhere in the 2200-2300 m range in elevation.

Second label:
n. sp.
det. Fischer

Third label: Holotype [purple]

Fourth label: NHMW

Images were taken by Lauren Ward, and the page was largely assembled by Bob Wharton. We are grateful to Dominique Zimmermann of the Naturhistorisches Museum Wien, Austria (NHMW) for loan of the holotype and information on the type label. Matt Yoder provided considerable assistance with databasing issues, and our use of PURLs (http://purl.oclc.org) in this regard follows the example of their use in publications by Norm Johnson. This work, based on the publication by Wharton et al. (2012), was conducted at Texas A&M University and supported by the National Science Foundation Grant No. DEB 0949027. Page last updated February, 2013.

This material is based upon work supported by the National Science Foundation under Grant Numbers DEB 0949027.
Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.