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NOTES ON AN UNUSUAL HABITAT FOR OVERWINTERING EUROPEAN CRANE FLY LARVAE (DIPTERA: TIPULIDAE) IN NEWFOUNDLAND1

  • Ray F. Morris (a1)

Extract

On 2 April 1986, while removing an accumulation of mosses from the roof of a covered picnic table near a home on Brookfield Road, St. John's (Fig. 1), several hundred larvae (leatherjackets) of the European crane fly, Tipula paludosa Meigen, were found overwintering in the moss between the slots of the asphalt shingles (Fig. 2). During the period 1971–1985 a heavy growth of mosses had become established in the slots between the shingles. Sufficient organic matter, together with particles of soil and sand, had accumulated in these slots to support the mosses, which gradually spread outward to the flat surfaces of the shingles (Fig. 1).

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References

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Lamb, A.B.Q., and Webster, J.M.. 1972. Morphological characteristics for differentiating larval instars of leatherjackets, Tipula paludosa (Diptera: Tipulidae). Can. Ent. 104: 899902.
Maercks, H. 1953. Uber den Massenwechsel von Tipula paludosa Meig. in Jahren 1918–1953 und seine Abhangigkeit von der Witterung. Nachr. Dautsch. Pflanzenschutzdienst., Vol. V, Part 12, pp. 177181.
Morris, R.F., and Fox, C.J.S.. 1963. Control of the European marsh crane fly in Newfoundland and Nova Scotia. Can. Dep. Agric. Publ. 1193.

NOTES ON AN UNUSUAL HABITAT FOR OVERWINTERING EUROPEAN CRANE FLY LARVAE (DIPTERA: TIPULIDAE) IN NEWFOUNDLAND1

  • Ray F. Morris (a1)

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