1910] Brues, North American Parasitic Symenoptera VIII. 47 



Hadronotus Forster (females) 



1. Head and thorax smooth, punctulate or shagreened 2 



Head and thorax coarsely punctate or rugose 5 



2. Head shagreened 3 



Head distinctly punctate or opaque 4 



3. Pedicel long-er than the first flagellar joint; scape honey- 



yellow largi Ashmead. 



Pedicel shorter then the first flagellar joint; scape dark 

 rufous mesillae Cockerell. 



4. Abdomen beyond the second segment punctate. 



leptocorisae Howard. 

 Abdomen beyond the second segment smooth, shining. 



myrmecophilus Ashmead. 



5. Female with abbreviated wings brevipennis Harrington. 



Female fully winged 6 



6. Head with two facets on the vertex between the ocelli ; scape 



and legs honey-yellow carinatifrons Ashmead. 



Head with the vertex simple 7 



7. Coxse brownish yellow 8 



Coxae black 9 



8. Abdomen with coarse longitudinal cribrate rugosites on all 



the segments ; smooth and polished along the sutures. 



rugosus Howard. 

 Abdomen cribrate rugose, the first segment with deep coarse 



striae ; the following smoother ; segments not smooth along 



the sutures floridanus Ashmead. 



Abdomen finely evenly rugose ; the first segment striate at 



the base anasae Ashmead. 



9. Leg's brownish yellow ; wings subf uscous ; marginal vein in 



wing nearly as long as the stigmal rugiceps Ashmead. 



Legs black, except knees, tibiae and tarsi ; wings hyaline ; 

 marginal vein about one-half the length of the stigmal. 



robustus Brues. 



FAMILY PLATYGASTERIM;. 



Eritrissomerus Ashmead. 

 Table of Species. 

 1. Body ruf o-piceous ; antennae, except apex, yellow. . pallipes Harrg. 

 Body black ; antennae black or piceous ; brownish-yellow in the 

 male 2 



