118 
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1023. Hagen, H. A. The state house in danger. A foray of white 
ants apprehended. <Boston Evening Transcript, 15 Novem¬ 
ber, 1883. See also: <Ent. Zeit. Stettin, April-June, 1884, v. 
45, pp. 167-172. 
Ravages of Termes flavipes. 
1024. Hagen, H. A. Enemies of Pieris menapia. <Can. Ent., Feb¬ 
ruary, 1884, v. 16, p. 40. 
Names Podisus crocatus and Neides millions. 
1025. Hagen. II. A. [Chrysomela scalaris .] <Oan. Ent., June, 1884, 
v. 16, p. 120. 
Abundance of the species in Cambridge in 1884. 
1026. Hagen, II. A. Scolytus rugulosu's in branches of pear trees 
which were killed by pear blight. <Can. Ent., September, 
1884, v. 16, pp. 161-163. 
Habits and injuries of S. rugulosus. 
1027. Hagen, H. A. Note on GhalcograpJia scalaris Leconte. <Can. 
Ent., December, 1884, v. 16, pp. 225-226. 
Ravages and habits of C. [= Chrysomela\ scalaris. 
1028. Hagen, H. A. Further material concerning the Hessian ily. 
<Can. Ent., May, 1885, v. 17, pp. 81-93. 
Evidence concerning the occurrence of Cecidomijia destructor in North America 
before the Revolution. 
1029. Hagen, II. A. On the Hessian fly in Italy. <Can. Ent., July, 
1885, v. 17, pp. 129-131. 
Evidence for the existence of Cecidomijia destructor in Italy; reproduction 
of the species by pedogenesis; habits of the larva. 
1030. Hagen, H. A. White ants destroying living trees and changing 
the foliage in Cambridge, Mass. <Can. Ent., July, 1885, v. 
17, pp. 134-136. <16tli Ann. Kept. Ent. Soc. Ontario, 1886, 
p. 16-17. 
Ravages of Termes flavipes in living maple trees. 
1031. Hagen, II. A. On a new library pest. <P>oston Evening Tran¬ 
script, 13 March, 18S6. <Ent. Zeit. Stettin, July-September, 
1886, v. 47, pp. 270-277. <Can. Ent., December, 1886, v. 18, 
pp. 221-230. <17th Ann. Kept. Ent. Soc. Ontario, 1887, p. 46-50. 
Relates to the injuries of species of Lepisma in libraries and collections. 
1032. Hagen, II. A. On the probable food of the larva of Sceuopinus. 
<Can. Ent., April, 1886, v. 18, pp. 73-74. 
Recorded food habits of the larva of Scenopinus; a probable enemy to clothes 
moths. 
1033. Hagen, H. A. Goleophora laricella Hb. very injurious to Larix 
europea in Massachusetts. <Can. Ent., July, 1886, v. 18, pp. 
125-126. 
Habits and injuries of C. laricella. 
1034. Hagen, H. A. On Gecidomyia liriodendri. <Can. Ent., August, 
1886, v. 18, pp. 159-160. 
Habitat. 
