. Cranberries; : the national cranberry magazine. Cranberries. gall but some larvae may drop to the ground before pupating. Delicate fragile flies, with two wings and long, slender antennae, emerge from the pupae, which may be bare or enclosed in a flimsy, silken cocoon, as is the cranberry tipworm. The cranberry tipworm causes only a very slight enlargement of the terminal leaves of an upright 01 runner but it is Still considered a gall. The larvae in loosestrife cause much larger galls and this provides the first suspicion that it is an entirely different insect. The appearance of the larvae
. Cranberries; : the national cranberry magazine. Cranberries. gall but some larvae may drop to the ground before pupating. Delicate fragile flies, with two wings and long, slender antennae, emerge from the pupae, which may be bare or enclosed in a flimsy, silken cocoon, as is the cranberry tipworm. The cranberry tipworm causes only a very slight enlargement of the terminal leaves of an upright 01 runner but it is Still considered a gall. The larvae in loosestrife cause much larger galls and this provides the first suspicion that it is an entirely different insect. The appearance of the larvae and cocoons in the weed is quite similar to those found in cranberry, except that the larvae in the loosestrife are distinctly larger. However, these appearances could easily be attributed to better nutrition in the weeds and the size of the gall could be the result of stronger reaction to the same stimulants injected into loose- strife by adults or larvae. In June 1982, we coUected galls on loosestrife just before the larvae in them were about to form cocoons. The galls were placed in a battery jar tightly covered with cheesecloth and held at room temperature. A number of adults emerged in July and they were CRANBERRY GROWERS REALTY Listings of buyers and sellers vv'elcomed on cranberry acreage and upland. Appraisals DOUGLAS R. BEATON E. Sandwich, Mass. 02537 (617) 888-1288 8 carefully mounted and sent to a taxonomic specialist, Dr. Ray Gagne, of the Systematic Entomology Laboratory, USDA. He identified the flies as Dasyneura lasimachiae. This is very closely related to the cran- berry Xi^'fiorm, Dasyneura vaccina, but is an entirely different insect, which can feed only on loosestrife. We are now certain that cranberry tipworm cannot live on loosestrife. We are also doubtful that cranberry tipworm may feed on other heaths, as suggested by Franklin. A thorough search of ericaceous plants surrounding the Rutgers cranberry bogs has been made and no cranberry tipworms have been
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