2 MISCELLANEOUS PAPERS. 



DESCRIPTION OF NEW SPECIES. 



.ffiolothrips nasturtii new species. (PI. I, figs. 1-4.) 



Measurements: Head, length 0.25 mm., width 0.225 mm.; pro- 

 thorax, length 0.2 mm., width 0.25 mm.; mesothorax, width 0.341 

 mm. ; metathorax, width 0.266 mm. ; abdomen, width at distal part 

 of segment 1, 0.216 mm., width of segment 4, 0.483 mm. Antennae: 

 segment 1, 31/^; 2, 60/^; 3, 135;^; 4, 108/^; 5, 72/x; 6, 42;x; 7, 23^; 8, 15//; 

 9, 12/f; total length antennae 0.50 mm. Total body length 2.10 mm. 



Color uniform darlc hrown. 



Head sligJitly longer than wide, sides parallel, transversely striated 

 above, covered with numerous small sjnnes, retracted within the pro- 

 thorax, one spine on each outer side and one on each inner side of 

 the antennae near their base and Jive on each side of the head. Eyes 

 large, extending haclc well on the ventral side nearly one-half the length 

 of the head, coarsely faceted and sfarsely pilose. Ocelli present, large, 

 conspicuous, making an equilateral triangle, not situated far forward, 

 the posterior ones contiguous with the inner margins of the eyes and 

 slightly posterior to a line drawn through the middle of the eyes ; four 

 small spines on each side of the anterior ocellus. Mouth-cone long, 

 bluntly rounded; maxillary palpi 3-segmented, basal joint large, 

 apical very small. Antennse 9-segmented, twice as long as the head, 

 dark brown, concolorous with the rest of the body, except segment 2, 

 which is hght brown, and segment 3, which is lemon-yellow, shaded 

 hght brown at the tip; all segments tliickly and uniformly clothed 

 with short spines, those on segments 1 and 2 stouter; spines on seg- 

 ments 1, 2, 4, and 5 brown, on segment 3 and style white; sense 

 cones inconspicuous; segment 3 one and one-half times as long as 

 segments 1 and 2 together and more slender than the remaining 

 segments. 



Prothorax a httle wider than long, only slightly larger than the 

 head, slightly emarginate near the center on each side, clothed with 

 a number of short spines above. Mesothorax largest, one and one- 

 third times as wide as the prothorax, broadly rounded anteriorly, 

 Metathorax abruptly narrower than the mesothorax, slightly wider than 

 prothorax, edges parallel. Legs uniformly dark brown; front femora 

 shghtly thickened; tibiae armed at the tip with two strong spines, 

 those on hind tibice strongest; each fore-tarsus armed with a long, 

 stout hook and a tooth; all the legs thickly set with small spines, 

 giving them a pitted appearance. Wings reaching to posterior margin 

 of sixth abdominal segment, broadly rounded at tip. No cross-veins 

 present; two bngitudinal veins uniting with ring- vein at tip; a large 

 clear area at the base, a similar clear area a little past the middle, and 

 a smaller area at the tip. Eight fore wing: Anterior longitudinal 

 vein, one spine on distal part of basal clear area, five spines between 



