American Entomological Institute

History
1'. Vein 3rs-m present, petiolate triangu...

2. Trochantellus of middle leg without ventral longitudinal ridge. S2-6 of female each with pair of tubercles near midlength (FIGURE). Apical margin of clypeus with median apical tubercle, laterally without tubercles (FIGURE).

Rhyssa

1. Rhyssa lineolata

2. Rhyssa persuasoria

3. Rhyssa lineolata

2’. Trochantellus of middle leg with ventral longitudinal ridge (FIGURE). S2-6 of female each with pair of tubercles close to anterior sternal margin (FIGURE). Apical margin of clypeus with lateral tubercles, median tubercle present or absent(FIGURE).

1. Megarhyssa greenei

2. Rhyssella humida

3. Megarhyssa greenei

future couplets

3. Males.

4. Gonoforceps without groove para... ... Rhyssella

4'. Gonoforceps with strong setife... ... Megarhyssa

3'. Females.

5. T3-5 covered with transverse aci... ... Rhyssella

5'. T3-5 smooth to punctuate, not ... ... Megarhyssa



Home Loans Identification Service Publications Founders Visiting the AEI Type Specimens Genera Ichneumonorum Nearcticae	History 1'. Vein 3rs-m present, petiolate triangu... up 2. Trochantellus of middle leg without ventral longitudinal ridge. S2-6 of female each with pair of tubercles near midlength (FIGURE). Apical margin of clypeus with median apical tubercle, laterally without tubercles (FIGURE). Rhyssa 1. Rhyssa lineolata 2. Rhyssa persuasoria 3. Rhyssa lineolata go 2’. Trochantellus of middle leg with ventral longitudinal ridge (FIGURE). S2-6 of female each with pair of tubercles close to anterior sternal margin (FIGURE). Apical margin of clypeus with lateral tubercles, median tubercle present or absent(FIGURE). 1. Megarhyssa greenei 2. Rhyssella humida 3. Megarhyssa greenei future couplets 3. Males. 4. Gonoforceps without groove para... ... Rhyssella 4'. Gonoforceps with strong setife... ... Megarhyssa 3'. Females. 5. T3-5 covered with transverse aci... ... Rhyssella 5'. T3-5 smooth to punctuate, not ... ... Megarhyssa go