1St Record Of Sepedophilus coronadensis (Staphylinidae) From Mexico

2 Pages·1993·0.63 MB·English

by  J L Navarreteheredia

Vol. 104,No.4,September&October, 1993 191
FIRST RECORD OF
SEPEDOPHILUS CORONADENSIS
FROM MEXICO.
(STAPHYLINIDAE) 1
Jose Luis Navarrete-Heredia2
ABSTRACT:Thestaphylinidbeetle,SepedophiluscoronadensisisreportedfromGuerrero,
Mexico.
SepedophilusGistelisagenusofTachyporinae(Staphylinidae)andis
consideredtobeprimarilymycophagousbecausemostofthespeciesare
usuallyfoundin habitats rich in fungal mycelia(e.g. forestlitter,decay-
ing logs, piles of decaying organic matter, etc.) (Hammond 1973;
Campbell 1976). A recent summary and discussion on Sepedophilus'
biology,includinginformationonunidentifiedMexicanspecies,ispro-
vided by Newton (1984).
Sepedophilus is represented in Mexico by three named species from
Veracruz: Sepedophilusbicolor(Bnhr.). S.ferrugineus (Bnhr.) and S. sub-
pubescens (Schub.) (Blackwelder 1944: 151, under Conosomus genus).
Thisnumberprobablyisjusta smallproportionofthespeciesthatexist
in Mexico because the genus is widely distributed in temperate and
tropical regionsandisusuallycollectedinseveralkindsofhabitats(per-
sonal observations from Guerrero, Hidalgo, Mexico, Morelos, Puebla,
Oaxaca,Veracruz,Yucatan,and from theexaminationofseveral speci-
mens deposited in the Field Museum ofNatural History, Chicago, IL.
S.coronadensisCampbellisaspeciesincludedinCampbell'srevision
ofspecies ofAmerica north ofMexico in the bisignatus group, and is
known from the Santa Rita and the Huachuca mountains ofsoutheas-
ternArizona.OnespecimenfromRamseyCanyonwascollectedbysift-
ing deep layers ofwet, oak leaflitter(Campbell 1976).
The purposeofthis note is to record forthe firsttimeS. coronadensis
from Mexico, and to provide host fungal records for this species.
Duringseveral fieldtripstothe mountainsofTaxco,Guerrero,Mex-
ico, six specimens (one male and five females) ofthis species were col-
lected associated with mushrooms ofAmanitarubescens, Cortinariussp.,
Ganodermaapplanatum andTylopilussp.(FIRSTHOSTRECORDS).In
this area, the specimens were found in cloud forest and in oak-pine
1 ReceivedApril 13, 1993.Accepted May3, 1993.
2Lab. de Morfofisiologia Animal, Fac. de Ciencias, UNAM. Apdo. Postal 21-518
(Coyoacan),04000Mexico. D.F.. MEXICO.
ENT. NEWS 104(4): 191-192. September&October, 1993
ENTOMOLOGICALNEWS
192
forest,between 2 180-2 300 m. Adults ofthe species havebeen collected
from May through August (Campbell 1976), but in Guerrero,one male
and one female were collected in October.
MATERIAL EXAMINED: MEXICO: Guerrero, Desviacion a Pto. Oscuro, Bosque de
Pino-Encino,2260m,3.VII.1986,J.L.Navarretecol.,exAmanitarubescens(19);samedata,
except:exCortinariussp.(29);samedata,except:ParqueElHuizteco,BosqueMesofilode
Montana,2300m,25.VII.1986,exTylopilussp.(19);samedata,except:kmlOcarr.aTetipac,
E1l9)P.erSaple,cBiomseqnuseaMreesodfeiploosidteedMoinntathnea,In2st1i8t0utme,d25e.XB.io1l98o6g,iae,xUGaNnAodMer(maIBaUppNlAaMna)tuamnd(1tifn,
mycollection.
ACKNOWLEDGMENTS
I would liketothankJ.M.Campbell forthespecificidentificationofthespecies;and
A.F.NewtonJr.andM.K.Thayerfortheirkindhelpandhospitalityduringarecentvisitto
the Field Museum ofNatural History.
LITERATURECITED
Blackwelder, R.E. 1944. Checklist of the coleopterous insects of Mexico, Central
America, the West Indies, and South America. Part. 1. U.S. Nat. Mus. Bull. 185: 1-
188.
Campbell,J.M. 1976. A revision ofthe genusSepedophilus Gistel (Coleoptera: Staphy-
linidae)ofAmerica north ofMexico. Mem. Ent. Soc.Can.99: 1-99.
Hammond, P.M. 1973. Notes on British Staphylinidae. PartIII. The British species of
SepedophilusGistel(ConosomusAuctt.). Entomologist's mon. Mag. 108: 130-165.
Newton, A.F., Jr. 1984. Mycophagy in Staphylinoidea (Coleoptera) [pp. 302-353]. In:
Fungus-insect relationships. Wheeler, Q.D. and M. Blackwell (editors). Columbia
University Press,NewYork.