I<i2 f'l'orriTlinr/fi of fjir Btolor/icol Socuii/ of Wnf^hiogioTt. 
My obligations to Mr. Ricliard S. Ragiiall, tlio eminent 
tmglish I liysaiioptei’ist; to Mr. J. (\ Faure, formerly a student 
in ( ornell Universit}^ to Mr. .lames Zetek, of the Isthmian 
Canal Commission; and to many other friends, collectors, and 
collaborators, are acknowledged in detail on almost eveiy page 
of this paper. 
'Jyi)es are in the writer’s collection. 
Trichothrips copiosus ITzel. 
1S9.5. 'Frichothripa copiosa Vm'], 3Ioiiogr. d. Onlii. Tliys., p. 2.i2; Tab. 
\y, Fig. .32, 3'al). \'II, Fig. 1.38-I-I0. 
!«);». Trichothrips copiom Renter, Acta Soc. pro Fauna et Ihora Fennica, 
vol. X\"II, no. 2, p. 25. 
loot. Trichothrips copiom Scliille, Sprawo/.dan Koinisyi HzyograHc/.ncj 
Akad. Uiniejetnosci w Krakowie, Toni. XXX\RII, )>. 17. 
I!K)7. Trichothrips copiosa Bnlla, Atti Soc. Tosc. Sci. Xat Alein vol 
XXIII, ]). 70. 
1000. Trichothrips copiosus Bagnall, Ent. :Mo. .Mag., 2d ser vol XX 
p. 132. 
ion. Trichothrips copiosus Bagnall, Jonrn. Econ. Biol., vol. VI, pt. I, 
p. n. 
Since its descri{)tion by Ezel from specimens taken in Bohemia and Lap- 
land, this insect has been recorded from Finland, Boland, Ilnngary, Italy, 
and England ; and now, for the first time, from the United States, where it 
has been taken as follows: Benikese Island, Massachn.setts, December 2.3, 
1012, and September 5, 1013, H. R. Barker, abundant under bark of 
Xorway majile and on Pohjporus ; Bridgeport, Connecticut, ,\ngnst S, 
101.3, II. IM. Russell,-1 females and 1 male under bark of elm; Bergen 
Reach, Long Island, Xew York, .lamiary 24, 1013, R. B. Dow, 2 females 
and I male under bark ol oakf.tcc. 4103, .American .Mnsenm of Xatnral 
History, one slide now in writer’s coll.); tb-bana, Illinois, March 13, 
lOOil, .fames Zetek, 0 lemales and 5 males under bark on rotten leg. All 
the specimens e.xamined are apterous. 
Irichothrips beachi Hinds. 
1002. Trichothrips beachi Hinds, Broc. U. S. Xat. .Alns., vol. XX\H 
p. 102, Bl. VH, fig. 70, Bl. VIH, fig. 80. 
Th(‘ original description of this species was based upon a single macro))- 
terons female taken under quince bark in early spring, at Amherst. 
Alassachnsetts. Both se.xes are well represented in the material at hand, 
which bears the following data: Bennings, D. C., IMarch-April, lOld' 
.1. I). Hood, 28 females and 3, males reared about April 17 from nymph.s 
taken Alarch 23 under dead willow bark; Baldwin, .Alichigan, August 
22, 1008, ,1. D. IL, 4 lemak's andl male under dead willow bark; 
