. Cranberries; : the national cranberry magazine. Cranberries. Host plants of cranberry tip^worm MARUCCI and HOWARD P. BOYD Rutgers Cranberry and Blueberry Laboratory Cranberry tipworm is one of the most important economic insects of cranberries in New Jersey and is also regarded as a pest in other states. It is a native insect which has been well studied. Its life cycle has been worked out and its adverse effect on cranberry production is well established. Although much is known about this insect, perhaps the informa- tion on its host plants, the plants on which it feeds and breeds, need
. Cranberries; : the national cranberry magazine. Cranberries. Host plants of cranberry tip^worm MARUCCI and HOWARD P. BOYD Rutgers Cranberry and Blueberry Laboratory Cranberry tipworm is one of the most important economic insects of cranberries in New Jersey and is also regarded as a pest in other states. It is a native insect which has been well studied. Its life cycle has been worked out and its adverse effect on cranberry production is well established. Although much is known about this insect, perhaps the informa- tion on its host plants, the plants on which it feeds and breeds, needs more checking and confir- mation. In Franklin's classic work on cranberry insects, "Cranberry Insects in Massachusetts" (Massachusetts Agriculture Experiment Station, Bulletin 545, 1948) the statement is made in regard to the host plants of cranberry tipworm: "It is said to feed on other heaths, and Loosestrife {Lysinwchia ; Cranberry growers in New Jersey for many years have been led to believe that loosestrife on bogs was not only a pernicious weed but also harbored cranberry tipworm. The implication was that the presence of loosestrife on bogs increased the potential for damage by the insect, which fed upon both cranberry and loosestrife interchangeably and was therefore able to build up higher populations when loosestrife was abundant. Cranberry tipworm belongs to an order and family of insects (Diptera: Cecidomyidae) commonly called "gall gnats" or "; Many of these insects live in the larval stage in enlarged tumor-Uke plant tissues, called galls, which are caused by the stimulating effect of enzymes which the adult insect may inject into the plant during egg laying or which the larvae may secrete after hatching from the eggs. The galls continue to grow as the larvae progress in size. Pupation generally occurs in the A MOST COMPLETE INVENTORY OF IRRIGATION ACCESSORIES LARCH. Please note that these images are extracted f
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