Epirhyssa corralesi Gauld, 1991

Khalaim, A. I., Ruíz-Cancino, E. & Coronado-Blanco, J. M., 2021, Darwin wasps (Hymenoptera: Ichneumonidae) of Mexico: subfamily Rhyssinae, Russian Entomological Journal 30 (3), pp. 305-313 : 310

3. Epirhyssa oaxaca Porter, 1978

Figs 9–15 .

Epirhyssa oaxaca Porter, 1978: 382 [holotype female (AEIC), Mexico, Oaxaca, 6 mi. S. Valle Nacional, 2000 ft. (= 610 m), 18.V.1971, coll. H. Howden].

= Epirhyssa corralesi Gauld, 1991 , syn.n.

REFERENCES. Gauld, 1991: 125 [ E. corralesi (description); Costa Rica]; Gauld, Wahl, 1997: 451 [ E. corralesi ; remarks; Costa Rica]; Ruíz-Cancino et al., 2002: 646 [checklist; Mexico]; Sánchez-García et al., 2015: 828 [checklist; Mexico (Oaxaca)].

MATERIAL EXAMINED. Mexico, Veracruz: San Andrés, Biological Station Los Tuxtlas, 150–250 m, selva alta perennifolia, Malaise trap, coll. M. Madora (all in UNAM): 14.IV–13. V.2013, 1 ♂; 16.VIII–17.IX.2013, 1 ♀; 31.III–16.IV.2014, 1 ♀; 28. V –16. VI.2014, 1 ♀. Same locality and trap, 4–8.X.2014, coll. A.I. Khalaim, 1 ♀ ( ZISP). Oaxaca: 6 mi. S.Valle Nacional, 2000 ft. (= 610 m) , 18. V .1971 , coll. H. Howden, 1 ♀ (holotype of E. oaxaca ; AEIC).

REMARKS. The holotype of E. oaxaca was examined by the senior author and was found to correspond well with the original description of the Costa Rican species E. corralesi , including such important features as long suranal cornus with flattened circular apical area ( Figs 14, 15 ), flagellum with basal and submedian brownish bands ( Fig. 12 ), and clypeus with a distinct median apical tooth ( Fig. 11 , arrow). Thus, we conclude that E. corralesi is a junior synonym of E. oaxaca , syn.n.

VARIATION. Examined specimens from Veracruz are conspicuously smaller than the holotype of E. oaxaca . Some Mexican specimens are rather pale with legs and first tergite only with pale brown markings and hind coxa predominantly yellow with brown marks on ventral and inner sides. Occipital carina is completely absent ventrally, or vestigial and more or less reaching the hypostomal carina in Mexican material, and complete ventrally and joining to the hypostomal carina in Costa Rican specimens, according to the description of E. corralesi by Gauld [1991].

DISTRIBUTION. Mexico (Veracruz, Oaxaca), Costa Rica.

Figures

Figs 9–15. Epirhyssa oaxaca, female: 9 — habitus (without antennae and ovipositor), lateral view; 10 — head, front view; 11 — clypeus, front view; 12 — head with antennae, lateral view; 13 — mesosoma and base of metasoma, lateral view; 14 — apex of metasoma, lateral view; 15 — apex of metasoma, dorsal view. Рис. 9–15. Epirhyssa oaxaca, самка: 9 — габитус (беЗ антенн и Яйцеклада), вид сбоку; 10 — голова, вид спереди; 11 — клипеус, вид спереди; 12 — голова с антеннами, вид сбоку; 13 — меЗосома и основание метасомы, вид сбоку; 14 — верШина метасомы, вид сбоку; 15 — верШина метасомы, вид сверху.