lol Prorce(h,i}(/s of (he Iholorpcul Socicfi/ of Wfishivf/ton. 
e.xposied ])ortioii about as wide as long; segment 3 a))oiit 
2.5 times as I(jng as wide, its sense cones long, slender, 
usually as long as the longest apical bristles; segment 8 
about .8 as long as 7. Tube not more than .8 as long as 
bead, as pale at base as at apex. Color light blackish 
brown, scarcely black to the naked eye. Ix^ngtb of living 
temales about 2.1 mm. ; width of [n’otborax about .43 mm. 
Nymph pink in color, the bypodermal pigmentation dis¬ 
posed in minute, distinct, vermilion dots. (Md., 1). C., 
Ill-). Trichothrips karro/i karinii Hood. 
I richothrips semicjecus U/.el. 
J8!)5. l'nchothri]>s semiccora T^zel, iVIonogr. d. Ordn. Tbys., j). 240. 
loot). Tncliothvlps semic.rcns, llagnall, Ent. INfo. Mag., 2d. ,ser., vol. 
XX, ]). 131. 
t)iu‘ lemale and two males of this species, ail apterous, \v(‘rc^ found by 
the writer at llemnngs, 1). (’., March 23, 1013, under dead willow l)ark, 
in company with numerous nymphs and adults of TriclioOiripx Ijeachi 
Hinds. It has previously been recorded only from Hobemia ( Uz(d j and 
Inigland (Ilaguall), and is thus an addition to the .American list. 
Irichothrips americanus Hood. 
1008. TrirholJinpK americanus Hood, Hull. 111. State bah. Nat. Hist., 
vol. A HI, art. H, p. 3()(), Hg. 3), a-c. .August 22. 
JON. Trichothrips l>eachi ( nec Hinds), Shull, Pub. 4, Alicb. Ceol. and 
Hiol. Surv., p. 213. 
4'brougb the kindness of Dr. Alexander C. Ibitbven, Director of the 
Mirseum of Zoology, University of Alicbigan, 1 have been able to study 
Shull’s specimen of "Trichothrips beachi," recorded by him from Huron 
( ounty, .Michigan. It agretvs pei’tectly with the macrojiterous paratypi's 
of T. americanus, though Ixairing iii Doctor Hinds’ writing the following 
laliel: "Trichothrips beachi Hinds. ( I’robably this s]i. ) Del. AV. E. 
Hinds, Nov. 17. I!M)8.” ’Phis is tlu* oidy specimen which has come to 
band since' the description of the species. 
I richothrips zonatus sp. uov. 
( Plate 3), lig. j 
Female (macropterous). —bengtb about 1.5 mm. Color ocbraceous 
yellow, with lu'ad, segments I. 2, and 4-8 of antenme, most of ptero- 
tborax, and apical ./ ot tube, dark blackish brown; legs yellow. 
Head very slightly longer than wide, rounded in front; vertex abruptly 
declivous; cheeks subparallel, converging rather abruptly to eyes, sparsely 
spinose, without lines of sculpture; postocular bristles pointed, twice as 
long a.'-^ e^e.s. Ejes les.s than one-third as long as bead, slightly protruding, 
half as wide as their interval. Ocelli present; anterior ocellus slightly over- 
haiiging, directed forward ; posterior ocelli opposite anterior half of eyes, 
