Rhyssinae, Morley, 1913

Varga, A., 2014, A Review Of The Subfamily Rhyssinae (Hymenoptera, Ichneumonidae) From The Ukrainian Carpathians, Vestnik Zoologii 48 (1), pp. 27-34 : 28

Key to species of the Rhyssinae in Ukrainian Carpathians

1. Clypeus with apical tubercle ( fig. 3 , 1 ). Metasoma always with white coloration. OTI 4.5–5.0. Rhyssa . .... 4

— Clypeus without apical tubercle, weakly concave ( fig. 3 , 2 ). If metasoma with white coloration, than OTI at least 8.0. .. ................................................................................................................................................................... 2

2. Paramere without a groove paralleling its inner edge. Tergites 3–6 of male moderately concave apically, without a median longitudinal submembranous area. Metasoma entirely black. Tergites 3–5 of female transversely aciculate Rhyssella . . ........................................................................................................................ 3

— Paramere with a strong groove close to and paralleling the apical 0.7 of its lower inner edge. Tergites 3–6 of male strongly concave apically and with a median apical longitudinal submembranous area. Mesosoma always with, metasoma with (female) or without (male) white coloration. Tergites 3–5 of female smooth.. ...................................................................................................................................................... Megarhyssa rixator

3. Scutellum black. ................................................................................................................ Rhyssella approximator

— Scutellum yellow. ..................................................................................................................... Rhyssella obliterata

4. Females. ..................................................................................................................................................................... 5

— Males (male of Rhyssa kriechbaumeri is unknown). ........................................................................................... 7

5. Face black, at most with two central white spots ( fig. 4 , 1 ). Propodeum black ( fig. 4 , 2 ). ................................ ................................................................................................................................................. Rhyssa kriechbaumeri

— Face black centrally, at least with two white stripes on eye orbits ( fig. 5 , 1 ). Propodeum at least with two lateral white spots ( fig. 5 , 2 ). ................................................................................................................................... 6

6. Central flagellomeres whitish. Clypeus yellow. .......................................................................... Rhyssa amoena

— Antennal flagellum without a pale band. Clypeus from reddish-brown to black. ........... Rhyssa persuasoria

7. Clypeus, scape and pedicel ( fig. 6 , 2 ), fore and mid coxae, trochanters and trochantelli yellow. .................... ............................................................................................................................................................ Rhyssa amoena

— Clypeus from reddish-brown to black. Scape and pedicel black ( fig. 6 , 1 ). At least mid coxa and trochanter with red and/or black spots. .................................................................................................... Rhyssa persuasoria

Figures

Fig. 3. The clypeus: 1 — Rhyssa amoena; 2 — Megarhyssa rixator. Рис. 3. Наличник: 1 — Rhyssa amoena; 2 — Megarhyssa rixator.

Fig. 1. Female of Megarhyssa rixator boring into the wood of dead Picea abies. Рис. 1. Cамка Megarhyssa rixator, которая сверлит отверстие в стволе мертвой Picea abies.

Fig. 2. Tereskhinʹs trap in coniferous forest.

Fig. 4. Rhyssa kriechbaumeri, female: 1 — head (frontal view); 2 — mesosoma (lateral view). Рис. 4. Rhyssa kriechbaumeri, самка: 1 — голова (вид спереди); 2 — rpóqh (Buq cƃoĸó).

Fig. 5. Genus Rhyssa: 1 — Rhyssa amoena, head (frontal view), female; 2 — Rhyssa persuasoria, mesosoma (lateral view), female. Рис. 5. Род Rhyssa: 1 — Rhyssa amoena, голова (вид спереди), самка; 2 — Rhyssa persuasoria, грудь (вид сбоку), самка.

Fig. 6. Genus Rhyssa: 1 — Rhyssa persuasoria, head (frontal view), male; 2 — Rhyssa amoena, mesosoma head (frontal view), male. Рис. 6. Род Rhyssa: 1 — Rhyssa persuasoria, голова (вид спереди), самец; 2 — Rhyssa amoena, голова (Buq cnepequ), caMeƞ.