1981] 
Sivinski — Arthropods and Luminous Fungi 
389 
palatability is unknown (color and palatabilities from photos and 
text of Miller 1979). This distribution does not support the aposem- 
atism argument (in comparison with a random sample of 41 non- 
poisonous and 9 poisonous species x 2 = 0.80 p > .25). 
Summary 
Arthropods, principally Collembola and Diptera, are attracted to 
the lights of luminous fungal mycelia ( Mycena sp .) and fruiting 
bodies ( Dictyopanus pusillus ). Such attraction does not prove that 
bioluminescence has evolved to lure insects but does affect the 
plausibility of hypotheses concerning the function of fungal glows. 
The possibilities of lights being used to lure spore dispersers, attract 
consumers of fungivores and competing fungi, repel negatively 
phototropic fungivores, and serve as warning signals, are discussed. 
Acknowledgments 
Comments by J. E. Lloyd, T. J. Walker, T. Forrest, S. Wing, and 
P. Sivinski improved the paper. B. Hollien professionally prepared 
the manuscript. Dr. J. W. Kimbrough identified D. pusillus and J. 
Sivinski helped gather specimens. Florida Agricultural Journal 
Series No. 3280. 
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