Epirhyssa, OCCURRING IN

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 : 306-307

KEY TO SPECIES OF EPIRHYSSA OCCURRING IN MEXICO

1. Fore wing without blackish spot at distal apex, though sometimes with marginal cell brownish anteriorly ( Fig. 16 ) ................................................ 4. E. theloides Porter

— Fore wing with a distinct, discrete blackish spot at distal apex ( Figs 6 , 9 ) ............................................................ 2

2. Flagellum with median band and basal flagellomeres yellow or pale brown, remainder brownish black ( Fig. 12 ). First tergite slender, in female 2.5–3.0 times and in male 3.1–3.6 times as long as posteriorly broad. Female with suranal cornus unusually long, cylindrical ( Figs 14–15 ), with apical flattened area circular .... 3. E. oaxaca Porter

— Flagellum black, sometimes brownish at extreme base and apex, without median pale band ( Fig. 1 ). First tergite in female 1.6–2.3 times and in male 2.5–2.7 times as long as posteriorly broad. Female with suranal cornus short, unspecialized ( Figs 7–8 ), with apical flattened area depressed oval.................................................................. 3

3. Occipital carina completely absent. Mesosoma and metasoma reddish yellow, without black markings; metasomal tergites weakly and narrowly darkened posteriorly ....... ......................................................... 5. E. xoutha Porter

— Occipital carina distinct laterally and ventrally. Mesosoma and metasoma usually with conspicuous brown or black markings ............................................................. 4

4. Apex of clypeus without median tubercle ( Fig. 3 ). Lateral lobe of mesoscutum yellow, sometimes pale brown centrally ( Fig. 5 ) ............................ 2. E. mexicana Cresson

— Apex of clypeus with small median tubercle (as in Fig. 11 , arrow). Lateral lobe of mesoscutum with longitudinal black stripe centrally ................... 1. E. frohbergi Gauld

Figures

Figs 16–21. Epirhyssa theloides, female: 16 — habitus (without apices of antennae and ovipositor), lateral view; 17 — head, front view; 18 — antennae, dorsal view; 19 — head and mesosoma, dorsal view; 20 — first tergite, lateral view; 21 — trochanters of mid leg, lateral view. Рис. 16–21. Epirhyssa theloides, самка: 16 — габитус (беЗ верШин антенн и Яйцеклада), сбоку; 17 — голова, спереди; 18 — антенны, сверху; 19 — голова и меЗосома, сверху; 20 — первый тергит, сбоку; 21 — вертлуги средней ноги, сбоку.

Figs 1–8. Epirhyssa mexicana, female: 1 — head with antennae, dorso-lateral view; 2 — head, front view; 3 — clypeus, front view; 4 — head, mesosoma and base of metasoma, lateral view; 5 — mesoscutum and scutellum, dorso-lateral view; 6 — apex of fore wing; 7 — apex of metasoma, lateral view; 8 — apex of metasoma, dorsal view. Рис. 1–8. Epirhyssa mexicana, самка: 1 — голова с антеннами, сверху и сбоку; 2 — голова, спереди; 3 — клипеус, спереди; 4 — голова, меЗосома и основание метасомы, сбоку; 5 — меЗоскутум и скутеллум, сверху и сбоку; 6 — верШина переднего крыла; 7 — верШина метасомы, сбоку; 8 — верШина метасомы, сверху.

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.