Lachesilla foreli, García Aldrete, 2017

García Aldrete, Alfonso N., 2017, New species of Lachesilla (Psocodea: Psocomorpha: Lachesillidae), in species group corona, from southern Mexico and Central America, Zootaxa 4347 (2), pp. 201-227 : 211

publication ID	https://doi.org/ 10.11646/zootaxa.4347.2.1
publication LSID	lsid:zoobank.org:pub:320F6118-B0F3-4D9A-BA05-D1A4A591C43E
DOI	https://doi.org/10.5281/zenodo.6009017
persistent identifier	https://treatment.plazi.org/id/E73E0B31-551F-FFD6-FF15-FDB76842F9D0
treatment provided by	Plazi
scientific name	Lachesilla foreli
status	sp. nov.

Treatment

Lachesilla foreli View in CoL n. sp. Female

( Figs 27–30 View FIGURES 27 – 30 )

Diagnosis. Subgenital plate posteriorly straight, flap broad, concave proximally, nearly circular. Gonapophyses stout, sides parallel, distally straight; ninth sternum broadly pentagonal, unpigmented, except for the antero-lateral borders.

Description. Color (29 years in 80% ethanol). Body chestnut brown, compound eyes black, ocelli hyaline, with ochre centripetal crescents. Maxillary palps reddish brown. Antennae and legs pale brown. Wings hyaline, veins pale brown, R1 bordering pterostigma ochre. Abdomen whitish, with brown subcuticular rings faded ventrally.

Morphology. As in diagnosis, plus the following: Compound eyes below the level of the slightly emarginate vertex. Forewing pterostigma long, wider distally, Rs-M fused for a short distance, areola postica low, rounded apically, broadly triangular ( Fig. 27 View FIGURES 27 – 30 ). Subgenital plate ( Fig. 29 View FIGURES 27 – 30 ) wide, setose, with pigmented area anteriorly concave in the middle. Gonapophyses and ninth sternum ( Fig. 28 View FIGURES 27 – 30 ), spermapore small, with a pigmented rim, located slightly anteriorly. Paraprocts ( Fig. 30 View FIGURES 27 – 30 ) almost semi-circular, setae as illustrated, sensory fields with 11 trichobothria. Epiproct ( Fig. 30 View FIGURES 27 – 30 ) wide, slightly concave anteriorly, rounded posteriorly, with field of setae as illustrated.

Measurements. FW: 2105, HW: 1586, F: 381, T: 697, t1: 221, t2: 64, ctt1: 12, Mx4: 99, f1: 208, f2: 155, f3: 136, f4: 116, f5: 66, IO: 325, D: 155, d: 93, IO/d: 3.49, PO: 0.60.

Specimen studied. Holotype female. MEXICO . Oaxaca . Km 168, Hwy. Oaxaca City-Puerto Angel. 30.i.1988. Beating vegetation. E. Barrera, A. Cadena & E. Ramírez ( CNIN).

Etymology. This species is dedicated, in memoriam, to Auguste Forel, author of the Insecta. Hymenoptera . Formicidae . Volume III (1899–1900), of the Biologia Centrali-Americana.

Remarks. As well as L. querpina García Aldrete (1991) , from the Mexican states of Durango, Guerrero, Morelos, Nuevo León and Oaxaca, L. foreli n. sp., has the flap of the subgenital plate short and rounded, almost semi-circular; in the former species the posterior border of the subgenital plate is rounded, and the gonapophyses and ninth sternum are quite different in both species (see García Aldrete, 1991).