H. B. Weiss.
More Notes on Fungus Insects and their Hosts.
Psyche 31(5):236-237, 1924.

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236 Psyche [October
MORE NOTES ON FUNGUS INSECTS AND THEIR HOSTS.1 New Brunswick, N. J.
Recently, Dr. George W. Martin sent me several species of beetles which he had collected on fungi in the neighborhood of Iowa City, Iowa, and they proved to be Hister lecontei Mars., on Mutinus eleqans, August 11 (probably not feeding on the fungus); Mycetophagus punctatus Say feeding on Polyporus radicatus, August 11; Mycotretus pdchra Say on Russula irrescens, July 4; Diaperis maculata Oliv., on Polyporus spraguei, July and Phe- nolia grossa Fab., on Polyporus sulphurous, July 9. In the Pennsylvania Department of Forestry Bulletin No- 12 (1915) Studhalter and Ruggles writing under the title, "In- sects as Carriers of the Chestnut Blight Fungus" review the more important publications dealing with insects which have been considered accountable for the spread of fungi or bacteria which are aaprophytic or parasitic upon plants and from their own observations, found that nineteen out of fifty-two insects collected in the field were carrying spores of Endothia parasi'tica. They concluded that some insects carried a large number of spores of the chestnut blight especially the beetle Leptostylus macula.
In the order Collenibola, Folsom (Proc. V. S. Nat. Mus. vole 50, p. 493) records Achorutes armatus Nic., as occuring commonly on agarics and on Boletus, Polyporus, Morchella, etc., and Xenylla welchi Folsom (Proc. U. S. Nat. Mus. vol. 50, p. 497) on mush- room beds in a greenhouse at Manhattan, Kansas. Alexander and McAtee (Proc. U. S. Nat. Mus. vol. 58, p. 413) state that Limnobia triocellafa 0. S., (Diptera, Tipulidce) was reared from Clytocybe sp., and Boletusfelleus on Plummerls Island. Upon looking into the European literature for records of fungus insects one finds as in American literature, a general Tor other papers on fungus insects see Proc. Biol. Soc. Washington, vol. 33 pp. 1-20; vol. 34, pp. 59-62; pp. 85-88; pp. 167-172; vol. 35, pp. 125-128; Canadian Ent., Sept. 1922, pp. 198-199; Sept. 1923, pp. 199-201; m erican Natural vol. 54, pp. 443-447.




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19241 More Notes on Fungus Insects and Their Hosts 237 absence of definite information concerning the specific identities of the hosts. In Calwer's Kaferbuch (1916) many species are recorded as occurring in "Locherpilzen, Wiedenschwaminen, Blatterschwammen, Schleimpilzen, Buchenschwammen, Birn- baumschwammen, Staubpilzen, Schwammen, Pilzen," etc., which terms furnish little or no clue to the identity of the host. How- ever some fifteen European species of beetles were coupled with definite host records and these are as follows:-Agathidium semi- nulum L., on Trick cinnaberina (p. 289) ; Saprinus lautus Er., in faulendem Aquricus (p. 3 15) ; Pocadius ferrugineus F., in Bovistus (p. 439); Mycetopha,gus atornarius F., in Sphceria deusta (p. 500); Sphindus dubius Gyll., larvae in Reticularia hortensis, Lycogala miniata (p. 502) ; Asphidiphorns orbiculatus Gyll., in Bovisten (p. 502); Cis boleti F., in Polyporus versicolor, Boletus sp. (p. 504); Cis rugulosus Mell., in Polyporus unicolor (p, 504); Cis rnicans F., in Lenzites betulinus (p. 504) ; Cicones vuriegutus Hellw., on Sphceria deusta (p. 513); Endomychus coccineus I,., in Bovisten (p. 529); Tetratoma Baudueri Perr., in Plezirotus ostreatus (p. 771); Hallomenus binotatus Quens., in Polyporus rnaximus (p. 772) ; H. axillaris 111.) on Lenzites quercicola (p. 772) ; Hypulus sericea Sturn., in Polyporus abietinus (p. 775) ; Diaperis boleti L., in Lentinus degener (p. 807).



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