SCOLYTID^. 
317 
iiberliaupt,” in which he criticizes the views of Audouin and others as to the 
economy of the Xylophaga. 
Chevrieb, (Mitth. schw. ent. Ges. iii. pp. 332-336) records his opinion, 
founded on personal observations, that the Xylophaga do not attack sound 
trees, but only those affected by abnormal vegetation, produced by different 
causes, but invariably resulting in an alteration of the sap and in the death 
of the tree. 
Bostrychus (Xylehorus) dispar ^ Ilylastes trifoliij Scolytus pruni and riigu- 
losus : Kiinstler (Verh. z.-b. Wien, xxi. Beih. pp, 63, 66, 62, & 63) discusses 
injuries to cultivated plants from these spp. 
Ilylastes decumanus, Er. (1836)=5f/a6ra<M5, Zett. (1828) : Sahlberg, B. E. Z, 
XV. p. 206. 
Hylurgus minor y Htg,, and Cryphalus granulatuSy Ratz., are recorded from 
Great Britain by Sharp : Ent. M. M. viii. pp. 74 & 84. 
Polygraphus puhescens, Fab., is recorded from England by Rye, ibid. p. 82, 
who recapitulates its generic and specific characters. 
Kissophagus {rectius Cissophagus) hedercoy Schm., and Xylechinus pilosusy 
Ratz., are recorded as British, and their generic and specific characters re- 
capitulated by Rye {ibid. p. 107), who notices errors in the descriptions given 
by Schmidt, Redtenbacher, and Thomson. 
Hylesinus fraxini is recorded by Colbeau (Ann. Ent. Belg. xiv. c.-r. 
p. xviii) as occurring in large numbers, in the perfect state, in the interior 
of peaches. 
Xyloterus bivittataSy K,, cavifrons, Mann., = lineatits, Gyll. : Eichhoff, 
B. E.Z.xv. p. 137. 
Ihmicus bidens and chalcographus are not strictly to be referred to Pityo- 
plithortis, to which genus CryphaluSy Leconte (wecEr.) belongs j (7. airatulusy 
Lee., probably = P. cribripennisy Eich. : id. ibid. 
Stephanoderes, g. n., id. 1. c. p. 132. Allied to Cryphalus, but with 6-jointed 
funiculus ; distinguished from Ilypoborus by retractile subglobose head, ser- 
rated ant. tibioe, &c. S. (^Hypoborus ?) setosus, Eich. ; S. elephas, I. of France, 
chapuisiy N. America, opacus, New Granada, id. ibid., asperulus (in Cassia), 
pulverule)duSy Mexico, seriaius, New Orleans, obscurus, Antilles, id. 1. c. 
p. 133, spp. nn. 
Ilylocurtis, g. n., id. 1. c. p. 133. Head retractile, subglobose, funiculus 
6-jointed, mentuni subcordate, 1st joint of lab. palpi longer than both 
2nd and 3rd ; tibiie sublinear. II. elcgans, sp. n., id. 1. c. p. 134, Teapa. 
XyloctonuSy g. n., id. 1. c. p. 134. Allied to Cryphalus', eyes bipartite, 
funiculus 6-jointed, club circular-imbricate ; tibiae compressed, first joint of 
lab. palpi twice as long as two next. X. scolytoides, sp. n., id. ibid.. Natal. 
Araptusy g. n., id. 1. c. p. 136. Head globose, eyes simple, funiculus 5- 
jointed, club solid, very large, tibiae linear, mentum triangular, ligula lan- 
ceolate. A. rufopalliatus, sp. n., id. ibid.. New Granada. 
Piamerus pulveridentus, sp. n., Gerstiicker, 1. c. p. 76, Zanzibar. 
Crypturgus mediterraneus, Ilyeres, and dubius, Pyrenees : Eichhoff, 1. c. 
p. 139, spp. nn. 
Xyloterus unicolor, sp. n., id. 1. c. p. 136, Wisconsin. 
Cryphalus wapleri, Australiti, imps, Guadeloupe, pallidus, Madagascar, 
robustusy ? N. America, id. 1. c. p. 131, spp. nn. 
Xylocleptes uncinatus, sp. n., id. 1. c. p. 134, Bogota. 
