Lomachaeta hyphantria Pitts & Manley

Pitts, James P. & Manley, Donald G., 2004, A Revision of Lomachaeta Mickel, with a new species of Smicromutilla Mickel (Hymenoptera: Mutillidae), Zootaxa 474, pp. 1-27 : 11-12

5. Lomachaeta hyphantria Pitts & Manley , New Species

( Figs. 13 , 21 )

Diagnosis. Lomachaeta hyphantria has several highly autapomorphic characters. It differs from all congeners by having a blunt tubercle present at the occipital and genal carinae junction, and by having elongate punctures present posteriorly on the mesonotum. This species also lacks a ventral basal tooth on the mandibles, and has yellow orange femora and tegulae.

Holotype Male. Head. Width 0.71 mm, brown except red brown around compound eyes. Clothed throughout with sparse, long, erect, pale white setae. Compound eye maximum diameter 0.28 mm. Median ocellus 0.062 mm, lateral ocellus 0.050 mm, ocellocular distance 0.17 mm, and interocellular distance 0.069 mm. Malar space very short, 0.085 mm in length. Mandible yellow except tip red brown, slightly emarginate beneath. Scape red brown, clothed with pale white setae throughout. Pedicel red brown. Flagellomeres brown. Length of scape, pedicel and first three flagellomeres: 0.22, 0.054, 0.046, 0.077 and 0.065 mm, respectively; width of first flagellomeres 0.065 mm. Front reticulate, with pale brown setae. Vertex with small, distinct, separated punctures and pale white setae. Clypeus with dense, white setae. Blunt tubercle present at junction of occipital and genal carinae.

Mesosoma. Brown, clothed throughout with sparse, long, erect, pale white setae. Pronotum with moderate, closely spaced punctures, confluent on posterior margin. Mesonotum with large punctures anteriorly, posteriorly with 2 reticulations with length equal to 3 punctures in same area. Scutellum almost flat, slightly convex, with small, shallow punctures similar to mesonotum but more crowded. Scutellum with anterior, median margin concave. Dorsum and posterior face of propodeum reticulate throughout. Tegula yellow brown, glabrous, margin with long, pale, erect setae. Legs orange brown, clothed with sparse, long, erect, and dense, short, decumbent white setae; spurs pale. Wings with pterostigma 0.14 mm in length along costa. Marginal cell 0.40 mm in length. Second submarginal cell pentagonal, 0.24 mm in length.

Metasoma. Metasomal segment 1 and 5–7 red brown, apical segments lighter. Metasomal segments 2–4 dark brown. Metasoma clothed throughout with sparse, long, erect, pale white setae, except T5–T7 also with setae brown. Bristles at posterior margins of T2–T4, pale brown. T1 punctate on lateral margin, glabrous medially, posterior margin with row of small, contiguous punctures. T2 with small, distant, widely separated punctures. T3–T7 with progressively small to fine, separated punctures. S2 with large, close punctures throughout. Genitalia Fig. 21 .

Length. Approximately 3.3 mm.

Female. Unknown.

Type material. Holotype ɗ, BOLIVIA, Dep. Beni, Rio Itenez, 4 km above Costa Marque, Brazil, 12–18.IX.1964, J.K. Bowseman and J. Lussenhop ( AMNH). Paratype, 1ɗ, same data as holotype.

Hosts. Unknown.

Etymology. From the Latin hyphantria “weave” in reference to the large reticulations on the mesonotum.

Figures

FIGURES 6 – 13. 6 – 12, Pronotum and mesonotum of males, dorsal view of left half, not to same scale, 6. Lomachaeta chionothrix; 7. L. cirrhomeris; 8. L. hicksi; 9. L. hicksi; 10. L. hicksi; 11. L. hicksi; 12. L. ptilohyalus. 13. Mesonotum of L. hyphantria, dorsal view.

FIGURES 14 – 23. Internal view of male genitalia, 14. Lomachaeta chionothrix; 15. L. cirrhomeris; 16. L. hicksi; 17. L. hicksi; 18. L. hicksi; 19. L. ptilohyalus; 20. L. crocopinna; 21. L. hyphantria; 22. L. hicksi; 23. Smicromutilla beadugrimi; scale = 0.20 mm.