77 



parasitic Hymenopterafor mauy years and speaks with authority. Yet 

 some of the species, judgiug from analogy, must be secondary and not 

 primary parasites. 



Ichneumon fabricator Gr. 

 Ichueumou fabricator var. 

 Ichneumon saturatoriua Warn. 

 Ichneumon deliratorius Gr. 

 Ichneumon scutellator Gr. 

 Ichneumon pallifrons Wsm. 

 Ichueumou anator Wsm. 

 Ichneumon nigritarius Gr. 

 Ichneumon ochropis Wsm. 

 Ichueumon teutator Wsm. 

 Ichneumon varipes Wsm. 

 Ichueuiuon albinus Gr. 

 Anomalon viohitum Gr. 

 Auomalon tenuicorne Fbr. 

 Anomalon varitarse Hgr. 

 Anomalon geniculatum Gr. 

 Auomalon clandestinum Gr. 

 Campoplt'X mixtus Gr. 

 Campoplex melanarius Hgr. 

 Thersilochns harpurus Schrk. 

 Porizou hostilis Gr. 

 Porizou boops Gr. 

 Porizon saltator Gr. 

 Mesoleius aulicns Gr. 

 Mesoleius sanguiuicollisGr. 

 Mesoleius htematodes Gr. 

 Mesoleius caligatus Hgr. 

 Mesoleius segmentator Hgr. 

 Mesoleius improbus Hgr. 

 Mesoleius sanguinicollis ? 

 Trypbon vulgaris Gr. 



Tryphon brunniventris Gr. 

 Trematopygus nigricornis Hgr. 

 Polyblastus cothurnatus Hgr. 

 Polyblastus arcuatus Hgr. 

 Bassus l«tatoriu8 Fbr. 

 Bassus albosignatus Nees. 

 Bassus flavolineatus Hgr. 

 Bassus bimaculatus Hgr. 

 Bassus cognatus Hgr. 

 Pimpla examinator F. 

 Pimpla instigator F. 

 Pimpla varicornis Gr. 

 Pimpla mixta Rtz. 

 Pimpla longiseta Rtz. 

 Pimpla flavipes Gr. 

 Pimpla oculatoria Gr. 

 Cryptus atripes Gr. 

 Cryptus seticoruis F. 

 Cryptus longipes Htg. 

 Cryptus n.sp. (brumatse Rudow). 

 Phygadeuon vagans Gr. 

 Phygadeuon brumata^ n. sp. 

 Hemiteles ciugulator Gr. 

 Hemiteles uiger Gr. 

 Hemiteles oxyphymusGr. 

 Hemiteles pectoralis n. sp. 

 Hemiteles socialis Gr. 

 Hemiteles fulvipes Gr. 

 Pezomachus fasciatus Gr. 

 Pezomacbus agilis Forst. 

 Pezomachus audax Forst. 



A STRANGE OMISSION. 



It is very strange that attention has never before been called to the 

 fact that " Standard Natural History " entirely omits mention of the 

 family Thripid(e or order Thysanoptera. 



HABITS OF CIMBEX AMERICANA. 



In a recent letter from Mr. Elmer D. Ball, of Little Rock, Iowa, he 

 reports the following observations on the common willow Saw-fly : " I 

 noticed in Insect Life, that this insect was common in Nebraska, and 

 mention was made of the injury done to the trees by their cutting a 

 slit nearly around the twigs. I have watched this for a number of years 

 and can say that these slits always heal over and the tree continues to 

 grow without apparently being injuriously affected, but when the larvse 

 hatch and begin eating them the growth of the tree is arrested for that 

 year. They will strip it of ail its leaves and then travel on to the next 



