Volume 21, Number 2 - Summer 1988 (1988)
Peer-Review Articles
Insecticide and Growth Regulator Effects on the Leafminer, Liriomyza Trifolii (Diptera: Agromyzidae), in Celery and Observations on Parasitism
E. Grafius and J. Hayden
Annotated List of Crane Flies (Diptera: Tipulidae) From Mentor Marsh, Lake County, Ohio
Michael J. Bolton
Field Monitoring of X-Disease Leafhopper Vectors (Homoptera: Cicadellidae) and Infected Chokecherry in Michigan Peach and Cherry Orchards
Kirk J. Larsen and Mark E. Whalon
Seasonal Occurrence of Pine Root Collar Weevil, Hylobius Radicis (Coleoptera: Curculionidae), in Red Pine Stands Undergoing Decline
Kenneth F. Raffa and David J. Hall
New Host Records and Developmental Notes on the Pear Slug Caliroa Cerasi (Hymenoptera: Tenthredinidae), Feeding on Cotoneaster and Chaenomeles Species.
Kenneth F. Raffa and Gregory L. Lintereur
Records of Ampulicidae in Michigan (Hymenoptera: Sphecoidea)
Mark F. O'Brien
The Pest Status of Yellowjackets in Ohio (Hymenoptera: Vespidae)
Kenneth J. Stein and Dana L. Wrensch
First Record of the True Katydid, Pterophylla Camellifolia (Orthoptera: Tettigoniidae: Pseudophyllinae) in North Dakota
Edward U. Balsbaugh Jr.
Occurrence of the Bat Tick, Ornithodoros Kelleyi (Acari: Argasidae), in Michigan
B. M. OConnor and J. S. H. Klompen