ICHNEUMON-FLIES — GELINAE : MESOSTENINI 105 



from Achatodes zeae, Baton Rouge, La., collected May 30, 1930, 

 emerged June 3, 1930. 9, reared from Achatodes zeae, Greenville 

 Township, Darke Co., Ohio, June 26, 1930, L. G. Jones. 



This species occurs in the Alleghanian and Carolinian faunas. 



3. Aritranis linnae, new species 



Front wing 4.5 to 6.5 mm. long. Structurally similar to A. gracilis 

 except that median portion of apical carina of propodeum is only 

 wealdy bowed forward, the resulting forward extension of apical area 

 of propodeum being only about 0.25 as long as wide. The punctation 

 of the frons and second tergite averages a very little finer and sparser 

 than in gracilis. 



The specific name is for Miss Ellen Linna, typist and clerical as- 

 sistant for this and some of our other publications. 



There is an eastern and a western subspecies, as keyed and de- 

 scribed below. 



1. Mesoscutum black; tergites 6 and 7 black, the seventh and sometimes also 

 the sixth with a median white spot; range: Alleghanian and Carolinian 



faunas 3a. linnae linnae, new subspecies 



Mesoscutum ferruginous; tergites 6 and 7 uniformly ferruginous; range: Cali- 

 fornia 3b. linnae pacifica, new subspecies 



3a. Aritranis linnae linnae, new subspecies 



Male: Colored like the male of A. gracilis except that frons has only 

 a short, narrow white line in its lower lateral corner, white on temple 

 covers only its lower 0.3 ±, hind basitarsus is dark brown with its 

 extreme tip light brown, and tergite 5 is usually entirely black. 



Female : Colored like the female of A. gracilis except that anterior 

 orbits are never marked with white, white mark on cheek and temple 

 does not extend above lower 0.25 of temple, and tergite 4 is mostly or 

 entirely fuscous. 



Type: 9, caught in Malaise trap set in old field overgrown with 

 Crataegus, Ann Arbor, Mich., June 4, 1959, H. and M. Townes (Wash- 

 ington, USNM 63756). 



Paratypes: cT, Edmonton, Alta., June 21, 1932, O. Peck (Townes). 

 17 cf, 59, collected in same trap as the type, on scattered dates from 

 May 26 to Aug. 13, 1959 (Townes). cf , 9, Ann Arbor, Mich., July 6, 

 1958, H. and M. Townes (Townes). d" , Marshall Co., Minn., July 29, 

 1910 (St. Paul), cf , South Hill, Ithaca, N.Y., June 13, 1956, M. A. 

 Evans (Ithaca). 9, West Shelby, N.Y., Sept. 2, 1950, L. L. Pechu- 

 man (Townes). 9, Southampton, Ont., Aug. 3, 1945, G. S. Walley 

 (Ottawa). 9, Wakefield, Que., June 24, 1946, G. S. Walley (Ottawa). 

 9, Waskesiu Lake, Sask., July 21, 1939, A. R. Brooks (Ottawa). 

 9, White Fox, Sask., July 21, 1944, O. Peck (Ottawa). 



589900—62 8 



