1109 HEMIPTERA — THYSANOPTERA — COLEOPTERA 
Distribution — Europe, North America. 
References — Van der Goot, P. Hollindischen Blattliuse, p. 177. 1915. 
Matheson, R. Cornell Univ. Agr. Exp. Sta. Memoir 24:718. 1919. 
SUlUTaliss is HLA TOCERUS A, 5 fe ete gs eI eae ie eral mac cain ace Fam. Cicadellidae 
(See page 1062.) 
taunr nase itchy. Cenesd cc sscasi cepa ee re ee erreron aioe aan Rai en Fam. Membracidae 
(See page 1063.) 
ulmi Linn., Lepidosaphes (Oyster-shell scale).............0..0 0c c eee ee eee Fam. Coccidae 
Synonym — Mytilaspis pomorum Bouché. 
Hosts — Many woody plants, including Crataegus. 
Injury — Sucks juice from bark and foliage. 
Distribution — Europe, Asia, Africa, Australia, North America, South America, Hawaii. 
References — Theobald, F. V. Insect pests of fruits, p. 170. 1909. 
Sorauer, P. Handbuch der Pflanzenkrankheiten 3:692. 1913. 
ulmi Geol Tetraneund ous nace leas fet ee mete he naie ta Smee ae eee Fam. Aphididae 
Hosts — Ulmus, Crataegus oxyacantha, many grasses. 
Injury — Sucks juice from leaves, causing galls to form on upper surface. 
Distribution — Europe. 
References — Van der Goot, P. Hollindischen Blattliuse, p. 484. 1915. 
: Patch, E. M. Maine Agr. Exp. Sta. Bul. 270:49. 1918. 
aniittatus Wenig ht aay gush 5 ee cane a lk be cles cee Shite eee Fam. Miridae 
Host — Crataegus. 
Injury — Adults suck juice and puncture fruit and tender foliage. 
Distribution — Northeastern United States. 
Reference — Knight, H. H. Brooklyn Ent. Soc. Bul. 14:21. 1919. 
urticae Linn: Pnvocan eos sake wash Meee Meese lao acti cele ck Oe ie ae eee Fam. Psyllidae 
Hosts — Urtica, Crataegus oxyacantha. 
Injury — Sucks juice from foliage. 
Distribution — Europe, Asia. 
References — Aulmann, G. Psyllidarum catalogus, p. 56. 1913. 
Harrison, J. W. H. Naturalist (London), no. 707, p. 400. 1915. 
vanduzer, Gill wHUp enya cc ena ear teers eae as eee Fam. Cicadellidae 
(See page 1062.) 
vtisiann.  Pulyinaras(Cottonyascale)ei.- 2. sees ae oe oe eee Fam. Coccidae 
Synonyms — Pulvinaria betulae Linn., P. innumerabilis Rath., P. oxyacanthae Linn. 
Hosts — Many woody plants, including Crataegus. 
Injury — Sucks sap from bark and tender shoots. 
Distribution — Europe, America, Africa, Asia Minor. 
Reference — Lindinger, L. Die Schildlause, p. 215. 1912. 
COUGHS IN ss JLGHPARs ona sadorobobbodaeRsuawadose Doe ted ae ee Fam. Cicadellidae 
(See page 1063.) 
THYSANOPTERA 
triticiphit ch wHUtnnipsicic.c cu Shee oe ln oe Oe eee Fam. Thrypidae 
(See page 1066.) 
COLEOPTERA 
aeneovirens Marsh, Rhynchites, var. punctatus Oliv...................-. Fam. Curculionidae 
Host — Crataegus oxyacantha. 
Distribution — Europe. 
Reference — Bargagli, P. Rinecofori Europei, p. 181. 1883. 
