84 
Psyche 
[Vol. 87 
Pseudospinolia —host not recorded in neotropics; Chile; 1 species. 
Argochrysis —Sphecidae: Ammophila (not recorded in neotropics); 
Mexico: Chihuahua and Baja California. 1 species. 
Gaullea —host not recorded; Argentina; 1 species. 
Trichrysis —Sphecidae: Trypoxylon, Eumenidae; widespread; 20 
species. 
Neochrysis —Sphecidae: Podium, Trypoxylon, Sceliphron; wide¬ 
spread; 32 species. 
Subfamily Parnopinae 
Parnopes —Sphecidae: Bembicini (prob. only on Microbembex in 
Mexico), northern Mexico, Sonora; 1 species. 
Acknowledgments 
We are very grateful to Ignacio and Raquel Cid del Prado for their 
work on translating the generic key into Spanish. 
Key to the Genera of Neotropical Chrysididae 
For brevity in the key the following abbreviations have been 
used: T for tergum, S for sternum and RS for radial sector. 
1. Abdominal venter convex . 2 
Abdominal venter flat to concave . 7 
2. T-I-II together dorsally subequal to or shorter than length of 
T-III-IV (fig. 3); pronotum with submedial transverse groove 
(fig. 3); upper frons with groove descending from midocellus 
(Cleptinae) . Cleptidea Mocsary 
T-I-II together dorsally much longer than length of T-III-IV (figs 
1, 2); pronotum usually without transverse groove; upper 
frons without median groove (Amiseginae) . 3 
3. Propodeum rounded posterolaterally (fig. 1), pronotal lobes 
usually not reaching tegulae (fig. 1) . 4 
Propodeum toothed posterolaterally (fig. 2), pronotal lobes 
reaching tegulae . 6 
4. Pronotum medially depressed or grooved; S-II produced, keeled 
anteriorly; gena flanged; propodeum strongly produced, 
posterior face almost flat (fig. 1)_ Duckeia Costa Lima 
Pronotum not medially depressed, S-II simple; gena not flanged; 
propodeum broadly rounded posteriorly. 5 
