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1 CHIRONOMUS NEWSLETTER ON CHIRONOMIDAE RESEARCH ...

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WL/WShL=1.9 or thereabouts<br />

Peter H. Langton<br />

In my Key to pupal exuviae of British Chironomidae (1984), I provided a graph of the relationship<br />

between the lengths of the pupal wing sheath and adult wing (data obtained from reared specimens<br />

belonging to the Tanypodinae, Orthocladiinae and Chironominae). I continue to find this useful, so I<br />

reprint the graph here for those who may not have seen the original.<br />

35

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