HEMIPTERA 1099 
Hosis — Malus, Pyrus, Crataegus, Prunus, many grasses. 
Injury — Sucks juice from opening buds of trees in spring. 
Distribution — North America. 
References — Quaintance, A. L. U.S. Ent. Bur. Cire. 81. 1907. 
Baker, A.C. Journ. agr. res. 18:311. 1919. 
mumTeans Wiall., CORI DSS aa S oe oe ono co OM Od SUC oDn cao ae an eae Fam. Miridae 
Synonym — Melinna pumila Uhl. 
Hosts — Crataegus, Salix. 
Injury — Adult sucks sap from foliage. 
_ Distribution — Eastern United States. 
Reference — Uhler, P. R. Ent. Amer. 3:69. 1887. 
DUneeuC hem enocepilisl (ReariroOtlaphis) essen qos se acs eee eee: Fam. Aphididae 
Hosts — Pyrus, Crataegus, Malus. 
Injury — Sucks sap from roots. 
Distribution — Eastern North America. 
References — Quaintance, A. L., and Baker, A. C. U. S. ee Desig Farmers’ bul. 
804:19. 1917. 
Wilson, H. F., and Wicker ReerAG Wisconsin Acad. Sci., Arts, and 
Letters. Trans. 19:140. 1918. 
GOCE NGO, IDOI § Salbob Boe dee bona roc ate cere cee nena soc Fam. Cicadellidae 
(See page 1082.) 
RoscemmininemE Dood ose leat NODDED) a- ws... cle eee se vie ae cis ese ae Fam. Cicadellidae 
Hosts — Rosa, Malus, Pyrus, Prunus, Crataegus, Cydonia, and other species. 
Injury — Nymphs and adults suck juice from lower leaves of trees, causing yellowing of 
foliage and in some cases defoliation. 
Distribution — Europe, North America. 
Reference — Ackerman, A. J. U.S. Agr. Dept. Bul. 805:20. 1919. 
PONTOUCHS ILI, AVNET A oma 8 ed ae os 5G ORI EID Rece UA ee RRR aa ine ever ore Fam. Aphididae 
Hosts — Many herbs and woody plants, including Crataegus oxyacantha and pear. 
Injury — Sucks juice from foliage in spring and fall. 
Distribution — Europe, North America. 
References — Borner. Nat. Ver. Bremen. Abhandl. 23:152. 1914. 
Van der Goot, P. Hollindischen Blattlause, p. 220. 1915. 
LES C Um ita Tier OCT O DI CSEOS tee Menu atea8 cranes epee sc sttuah St fed a: “Jaren end Sarde shales clays ont aes ahs Fam. Coccidae 
Hosts — Many plants, including Crataegus. 
Injury — Sucks juice from bark, leaves, and fruit. 
Distribution — Mediterranean region. 
References — Lindinger, L. Die Schildlause, p. 214. 1912. 
Sorauer, P. Handbuch der Pflanzenkrankheiten 3:695. 1913. 
SHG WORK; LESS S SSB ane a Ae Olen ot OCS nae ictal oF Fam. Psyllidae 
Hosts — Salix, Crataegus oxyacantha. 
Injury — Sucks juice from foliage. 
Distribution — Europe, Asia, Japan. 
Reference — Aulmann, G. Psyllidarum catalogus, p. 26. 1913. 
SOUL ULL USI OAV AM LLLLO LET, MUSE Ar gn ea) SIEM yo es ree ene Scho vais ccd mecha tes eye Fam. Cicadellidae 
(See page 1062.) 
SOnDeCalimwA nish (LOsyaappleaphis)eascei.t. + celssssnsas flee uses se cael Fam. Aphididae 
Synonym — Aphis malifoliae Fitch. 
Hosts — Malus, Pyrus, Crataegus, Sorbus, Plantago. 
Injury — Cur-s leaves and deforms fruit. 
