6 HYMENOPTERA. 



(1 9 ) and 9 (13 9 *s), 1909; also the specimens mentioned 

 in the third paragraph following. 



Habitat. — United States : Centralia and Urbana, Illinois. 



Types. — Accession No. 41,680, Illinois State Laboratory of 

 Natural History, Urbana, Illinois, 1 cJ", 1 9 (1 slide, Cen- 

 tralia, August 26, 1909), 1 9 (1 slide, Centalia, August 25, 

 1909) , all in xylol-balsam. Cotype. —Coty^Q No. 12,633 United 

 States National Museum, Washington, D. C, 1 9 (Centralia, 

 August 31, 1909) mounted in xylol-balsam. 



Since writing the above I have obtained another female 

 specimen captured July 8, 1910, on the glass sides of a green- 

 house on the campus of the University of Illinois, Urbana, 

 Illinois and a male captured in the same place July 27, 1910. 

 The habits and host relations of the species are unknown. 

 It must be common throughout the southern half of the State 

 of Illinois. 



Subfamily Trichogrammatin^ Ashmead. 

 1. TUMIDICLAVA genus novum. (Fig. 3.) 



Normal to the subfamily resembling Aphelinoidea Girault 

 in general aspect ; tarsi 3-jointed. 



Normal position. 



Female. — Head normal but rather large, bearing the ocelli 

 in the center of the vertex distant from the eye margins, the 

 three ocelli in a fiat triangle, the lateral ocelli farther apart 

 from each other than each is distant from the cephalic ocel- 

 lus and the distance between them is slightly more than the 

 distance between each and their respective eye margins ; 

 vertex broad ; antennae inserted some distance ventrad of the 

 middle of the face (cephalic aspect) but distinctly dorsad of 

 an imaginary line drawn between the ventral ends of the 

 eyes, short and stout, capitate, the joints unequal in length 

 and width, the club widest, short and broad rounded ovate 

 and swollen as compared to the other joints, conspicu- 

 ous but not greatly or abnormally swollen or enlarged, not 

 much longer than broad, forming a knob at the end of the 

 antennae ; antennae 7-jointed, namely scape, pedicel, two mi- 

 nute ring-joints and a 3-jointed club immediately following, 



