284 



STATE BOARD OP AGRICULTURE. 



unrolled, feeding on the fresh and tender leaf surfaces and more secure 

 from the moisture than anywhere else. Here the pests lived on for some 

 little time, but as the rain continued plentifully until the foliage was 

 well out, a good proportion of the plants succeeded in getting heads and 

 producing seed — not so abundantly as could be desired but a fairly good 

 crop considering what they had been through. 



[ ? Fig. 5. — Leaf of Corn affected by Oat Thrips, enlarged. Original. 



An examination of the corn plants showed about the same condition 

 of affairs, the under sides of the blades showing characteristic markings 

 and the thrips themselves being present and at work. Mr. Kraus found 

 the pests also present on milkweed. 



Description of A^iapliothrips striatus. 



Thorax buff with dark-brown markings; abdomen buff with broad 

 dorsal stripe, often ill-defined, bordered laterally with narrow yellow 

 stripes; legs and abdomen buffj^ tinged with yellow, under surface 

 almost egg yellow; wings smoky; eyes purple, three ocelli orange; 

 antennae buff at base, shading to brown at tip. 



For a technical description see '"Thvsanoptera of N. A." in the Pro- 

 ceedings of the National Museum, Vol. XXVI, p. IGl, by Dr. W. E. 

 Hinds, who kindly determined the species at the request of Dr. F. M. 

 Webster, to whom material was referred. 



A somewhat similai' attack was recorded in Insect Life, Vol. Ill, p. 

 301, in which it is stated that Dr. Roland Thaxter, in the annual re- 

 port of the Connecticut Station for 1889, notices an attack of an in- 

 sect that proved to be a thrips (probably Thrips trifasciata) which was 

 confused with rust. 



There arose a very natural confusion of this pest with the so called 

 "Green bug," which was the cause of much anxiety the past year, 

 especially in the southwest. The Green bug is a plant-louse which feeds 

 on gi'asses, grains, corn and other hosts, producing a reddening of the 



