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- Baeus jabaquara Margaría, C. B., 2006, Zootaxa 1162: 49-51.
Distribution Baeus jabaquara sp. nov. is distributed in the Brazilian state of Sao Paulo. This area corresponds to Parana subregion of the Neotropical region, according to the new biogeographical scheme of Morrone (2001).
Female body yellow, with conspicuous pilosity, antennal club longer than A2-A6 with traces of segmentation. Male body color walnut brown; metasoma lighter than remaining parts of body, and appendages yellowish; digitus with three teeth, aedeagal-volsellar shaft weakly sclerotized, relative length between aedeagal lobe and aedeagal-volsellar shaft combined, and basal segment (34:53). Baeus jabaquara n. sp. is related to B. anelosimus n. sp. but differs by body pilosity, the relative proportions of antennal segments in female and male, the color and venation of wings, and the relative porportions between mesosoma and metasoma.
Holotype female (Figs. 7-8)
Color. Body and appendages yellow, with very conspicuous pilosity.
Body. Length 0.70 mm (Fig. 7). Head in dorsal view transverse (35: 15), wider than mesosoma (34:19); vertex and frons with short pilosity, and polygonal sculpture; head in lateral view higher than long (25:15), slightly higher than mesosoma; eye height:malar space (11:10); LOL:POL:OOL (7:12:1); head in frontal view subcircular, wider than high (25:20); eye with scatter very short pilosity; eye height:interorbital space (11:14).
Antenna. (Fig. 8). Antennal segments in the following relative proportions (41:8), (16:12), (5:8), (4:8), (3:9), (3:9), antennal club segmentation poorly differenciated (45:25), antennal club longer than A2-A6 (45:31).
Mesosoma. In dorsal view with setigerous puncture sculpture, as wide as long (15:12); mesoescutum transverse (15:7); scutellum and metanotum narrow stripe like; mesonotum with conspicuous semidecumbent pilosity.
Metasoma. T2 (first visible tergite) wider than long (26:15) and conspicuous pilosity; T3 - T6 wider than long (15:10); T7 triangular. S1 with short longitudinal crenulae.
Allotype male (Figs. 9-11).
Color. Body walnut brown, metasoma lighter, and appendages yellowish.
Body. Length close to 0.8 mm, eye heightmalar space (9:8), LOL:POL:OOL (7:14:1); head in frontal view wider than high (26:18); eyes with scattered very short pilosity; eye height:interorbital space (9:21).
Antenna. (Fig. 9). Antennal segments in the following relative proportions: (40:15), (22:10), (10:10), (7:11), (8:13), (8:10), (8:11), (10:12), (7:13), (11:11), (11:13), (16:10).
Mesosoma. In lateral view longer than high (33:20).
Wings. Fore wings hyaline narrow, length:width (55:18), apically rounded, overlapping the apex of metasoma, stigmal vein (Fig. 10); venation and wing darker than in B. anelosimus; hind wings hyaline, with setae longer than wing width.
Metasoma. Metasoma with first tergite trapezoidal wider than long (14:4), with longitudinal costae in all segment surface; T2 wider than long (23:14), with costae in the anterior portion of the segment surface.
Genitalia. (Fig. 11). Digitus with three very small teeth, penis valves and ventral portion of aedeago-volsellar weakly sclerotized; volsellar laminae developed as a weakly ventral plate; relative length between aedeagal lobe, and aedeagal-volsellar shaft and basal segment (34:53).
Body completely yellow, or yellow with castaneus dorsal surface.
This species is named after the epithet of the spider host Anelosimus jabaquara used as noun in apposition.
- Margaría, C. B.; Loiácono, M. S.; Gonzaga, M. O.; 2006: Two new species of Baeus (Hymenoptera: Scelionidae) from southeastern Brazil parasitoids of Anelosimus (Araneae: Theridiidae)., Zootaxa 1162: 49-51.