A KEY TO NORTH AMERICAN STATIRA 
(COLEOPTERA: LAGRIIDAE) 
By Carl T. Parsons 
Manchester Depot, Vermont 
From time to time during the past several years I have studied 
the Lagriidae with C. W. Leng’s excellent collection as a basis. To 
this collection has been added valuable series especially from the 
southwest and Mexico generously presented by Dr. Floyd Werner. 
As indicated in the table of abbreviations below, various public and 
private collections have been examined. I am deeply indebted to the 
respective curators and individuals for extending this privilege.* 
In the course of this study a few additions to our fauna turned 
up and a few changes seem advisable. Much more material is needed 
to clear up still pending problems. An account of Arthromacra will 
follow. 
Key to North American Statira 
1. At least middle and hind tibiae distinctly sulcate along nearly 
entire outer edge; disc of pronotum scabrous or rugulose .2 
Tibiae on outer edge rounded or flat (rarely feebly sulcate 
distally) as in dejecta, disc of pronotum variably punctate, 
intervals between punctures usually alutaceous, rarely smooth 
5 
2. Setigerous punctures on first elytral interval not more than 6, 
on 3rd not more than 8, on 5th not more than 5, on 7th not 
more than 2, on 9th not more than 5 3 
Setigerous punctures on first elytral interval not less than 10, on 
3rd not less than 13, on 5th not less than 12, on 7th not less 
than 10, on 9th not less than 11 4 
3. Lateral margin of prothorax obliterated anteriorly, becoming 
distinct posteriorly; pronotum finely scabrous, rich dark 
^Specimens studied are referred to by abbreviations as follows: 
(A.M.N.H.), American Museum of Natural History; (A.N.S.P.), Academy 
of Natural Sciences Philadelphia; (C.A.F.), C. A. Frost collection in M.C.Z. ; 
(C.T.P.), C. T. Parsons collection, Manchester Depot, Vermont; (C.U.), 
Cornell University; (F.P.B.), Florida Plant Board, Gainesville; (H.C.F.), 
H. C. Fall collection in M.C.Z. ; (H.F.H.), Henry F. Howden collection; 
(111. N. H. S.), Illinois Natural History Survey; (M.C.Z.), Museum of Com- 
parative Zoology; (U.S.N.M.), United States National Museum. 
Manuscript received by the editor March 16, 1965. 
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