Coproica bifurcata Bergeron, Marshall & Swann, 2015, new species
Bibliographic record
Abstract
Coproica bifurcata new species Figs. 16, 21, 41–52 Description. Body length 1.2–1.7 mm. Body colour brown. Face and frons brown. Interfrontal bristles in 3–4 pairs; postocellar bristles convergent; postocellar setulae absent. Eye to gena ratio approximately 2:1; 4 genal setae in longitudinal row posterior to vibrissa. Scutellum with approximately 10 bristles arranged in 2 rows between basal 1/4 and basal 1/2, posterior row approximately 1.3 times longer than anterior row; 2 lateral bristles present between larger anterior and posterior marginal scutellar bristles. Katepisternum with 2 small dorsal bristles, each approximately 1/5 as long as the distance between dorsal margin of katepisternum and wing base. Legs and fore coxa brown. Mid tibia with 1 proximal posterodorsal bristle at 2/5. Mid basitarsus with row of small, stout anterior bristles beginning at 1/5 and extending to apex, continuous row of small, stout anteroventral bristles, 2–3 small posteroventral bristles, variable in position. Second costal sector 0.8–1.0 times as long as third costal sector. Costal bypass short, terminating within 5 vein widths of R 4+5. Male terminalia: Sternite 5 rounded rectangular, posteromedial patch of slightly dense microtrichia; all discal bristles uniform in size. Sternite 6 straight medially. Epandrium with enlarged pair of dorsolateral bristles; subanal plate incomplete; ventral margin of cerci with strong posteromedial bristled processes, process on left cercus 2 times as long as process on right cercus. Surstylus with rounded posteroventral lobe lined with short bristles, slightly asymmetrical. Postgonites asymmetrical, curved anteriorly; left postgonite thick, with pointed apex; right postgonite narrow distally, bifurcate at apex. Basiphallus gently curved, tubular, closed posteriorly; epiphallus unmodified. Lateral sclerites of distiphallus with sharp posterodorsal angle, row of 3 dorsal processes, proximal process sharp with narrow, pointed medial process, central process broad, blunt, distal process, narrow, sharp, and sinuate; distal ventral angle rounded, protruding. Central sclerite fused with lateral sclerites ventral to central process. Female terminalia: Tergite 8 reduced to 2 long lateral sclerites with medial membrane connecting them. Tergite 10 pollinose, narrowly fused to cerci laterally; cerci conical, pollinose, cercal bristles long and sinuate. Sternite 7 broad, rounded, posterior projection broad and deeply concave, appearing like 2 processes. Sternite 8 with broad anterior process with 2 small lateral points, a large pair of central bristles, and a row of four small setae anterior and posterior to it. Sternite 10 with medial and lateral pairs of enlarged bristles, posterior margin bluntly pointed, not curved dorsally. Spermathecae elongate, pear-shaped; duct length approximately 3 times as long as spermathecal bulb. Type material. Holotype male: ARGENTINA: Salta, Rosario de Lerma, 24.ii.1992, swept over bulldozed rd., S.A. Marshall (DEBU). Paratypes: ARGENTINA: same as holotype (10♂ **–ill–w, 13♀ **–ill.); same as holotype except swept over foul ditch (1♀); Jujuy, Cochinoca, 3700m, 26.ii.1992, sweep small stream, llama dung, debris, S.A. Marshall (2♂ *, 2♀ *); Jujuy, Tres Cruces lakeside, 3700m, 26.ii.1992, sweep, S.A. Marshall (1♂, 1♀); Jujuy, Abra Pampa, 3500 m, 26.ii.1992, llama dung, S.A. Marshall (1♀); Salta, Rosario de Lerma, INESALT, 17– 28.ii.1992, yard pan tps., S.A. Marshall (1♀); Salta, El Rey Nat. Pk., 900m, Aguas Negras Tr., 11–15.xii.1987, for. malaise tp., FIT, S.&J. Peck (4♂ *, 10 ♀ ***); Salta, El Rey Nat. Pk., 900m, Rio La Sala, 5–10.xii.1987, malaise tp., FIT, open stream side in for., S.&J. Peck (9♂ ***, 4♀ *); Salta, El Rey Nat. Pk., 1000m, Pozo Verde trail km. 7, 5– 15.xii.1987, malaise FIT, Yungas for., S.&J. Peck (1♂, 1♀). Other material examined. ARGENTINA: Salta, Cañada la Gotera, 19.ii.1992, sweep/wet litter, S.A. Marshall (4♂, 1♀); Salta, 22 km. N of La Caldera, 1550m, El Ucumar, 2–30.xii.1987, malaise, subtropical humid for., S.&J. Peck (1♂); Salta, 1500m, La Caldera, Camino la Cornisa, 27.ii.1992, roadside for. sweeps, S.A. Marshall (2♂); Salta, Rosario de Lerma, INESALT, 16–28.ii.1992, yard malaise, S.A. Marshall (2♂ *, 53♀ *); Salta, Rosario de Lerma, 24.ii.1992, garbage/mud/creek, S.A. Marshall (1♀). BOLIVIA: Santa Cruz, Campo Guairuy, 24 km. S Camiri, 870m, 18.viii–2.ix.2000, malaise tp., Irwin & Hauser; (16♂: debu00143452, 00143432, 00144411, 00144214*, 00142900, 00143117, 00143087, 00143040, 00146755, 00146667, 00146542, 00143151, 00144325, 00143725, 00143706, 00144381; 37♀: 00143656, 00144231, 00143732, 00144559, 00144550, 00144238, 00144569, 00143418, 00144563, 00144390, 00144122, 00144187, 00144192, 00143011, 00142838, 00142887, 00143090, 00143488, 00143429, 00143420, 00143411, 00143518, 00143347*, 00144040, 00143670, 00146604, 00146597, 00146543, 00143113, 00146634, 00146838, 00146700, 00147004, 00147166, 00147223, 00142775, 00142767). BRAZIL: Paraná, Curitiba, ponds near zoo, 7.ii.1990, sweep, S.A. Marshall (2♂ **). Distribution: Neotropical: Argentina, Bolivia, Brazil. Etymology. The specific name means “two-forked” and references the forked tip of the right postgonite. Comments. Coproica bifurcata can be distinguished from its closest relative, C. hirtuloidea, by its slightly bifurcate and apically broad right postgonite (Fig. 45; narrow and sinuate apically in C. hirtuloidea: Fig. 170) in males and by the produced anterior margin of the female sternite 8 (Fig. 51). The postgonites and female sternite 8 are typically visible externally in well preserved or critical point dried specimens, nevertheless, dissections will often be required for the accurate identification of specimens from Bolivia and northern Argentina where the ranges of C. hirtuloidea and C. bifurcata overlap. Examination of the distiphallus will always provide a clear unambiguous determination. See also comments under C. hirtuloidea.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.002 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.009 | 0.002 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".