40 A MANUAL OF DANGEROUS INSECTS, 



Curculionldse. 



Orchestcs fagi LinnsDus, a small jumping weevil; Europe; mines the leaves. 



Hylohius abietis Linnaeus, a large weevil; Europe; bores in the bark of seedlings. 

 Cossoiiidae. 



Rhyncolus lignyarius Marsh., a small elongate weevil; Europe; bores in the trunks. 



Rhyncolus truncorum Germar, a small weevil; Europe; bores in timber. 

 Scolytidae, Ipidae. 



Scolytus intricatus Ratzeburg; Russia, Germany; makes galleries in bast. 



Anisandrus dispar Fabricius; Germany; makes galleries in wood, causing great damage. 



Ernoporus fagi Fabricius; Europe; makes galleries in bark of Fagus sylvatka. 



Taphrorychus bicolor Herbst, and T. viUi/rons Dufour; Europe; make galleries in bark. 



XyleboTus dryographus Ratzeburg, and X. monographus Fabricius; Europe; makes galleries li the 

 wood of living trees. 



Xylolerus doviesticus Linnaeus, and X. sigmtus Fabricius; Europe; makes galleries in sapwoo of 

 branches and in the wood of the trees. 



LEPIDOPTERA. 

 Cossidae. 



^Zeuzcra pyrina Linnaeus; Europe, Africa, North America; breeds in the wood. (See llar-^e-chr t 

 nut.) 



Cossus cossus Linnaeus; the goat moth; Europe; breeds in the wood. CSee Willow.) 

 Drepunidse. 



Drcpma cultraria Fabricius; Europe; defoliator. 

 Notodontid». 



Phalera bucephala Linnaeus; Europe. (See Forests.) 



Geometridae. 



Chcimalobia boreata Hiibner; Germany; feeds on young growth. 



Hibernia aurantiaria Esp., H. defoUaria Linnaeus and //. marginaria Borckh.; Europe; feed on foliage. 



Larenlia dilutata Rorckli.; Europe; feeds on foliage. 



Lasiocampidse. 



Malacosoma neustria Linnaeus; Europe; feeds on buds and leaves (see Forests). 

 Lyman triidae. 



Dasychira pudibunda Linnaeus, ^Euproctis chrysorrhoea Linnasus, ^Lymantria monacha Unniens. 

 ^PoTthetria dispar Liimajus, Porthcsia similis Fuessly (see Forests). 



Noctuidae. 



Acronycta accris Linnaeus; Europe; defoliator. 



Scopelosoma satcllilia Linnaeus; Germany; injurious to young growth. 

 Plutellidae. 



Ccrostoma parenlhesella Linnaeus; Europe; attacks leaves of seedlings. 

 Tortricidae. 

 * Peroneafcrmgam Treitschke; Europe; North America; attacks leaves. 



TortTix podana Sc; Europe; attacks leaves of seedlings. 



ITYMENOPTERA. 

 Cimbicldae. 



Cimbei fagi Zadd.; sawfly; Europe; feeds on foliage. 



Xiphydrida. 



Xiphydrya camelus Linnaeus; wood wasp; Europe; bores in wood. 



DIPTERA. 

 Itonldida?. 



Hormomyia annulipes TTtg. and H.fagi Htg., gall midges, Europe; from galls on leaves. 



LITERATURE. 



SOEAUER, P. Uandbuch der Pflanzenkrankheiten, 3d ed., 1913, vol. 3. 



LiNDiNGEK, L. T>ic Schildliiuse (Coccidae), 1912. 



Bargagli, P. Rassegna Biologica Rincofori Europei, 1883-1887. 



Fernald, Maria E. Catalogue of CoccidiB of the World, Mass. Agr. Coll., Bal. 88, 1903. 



