Acorn woodpecker species accounts, v4447
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Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Acorns pulled from Plague granary 22-23 Nov. 1982 Presumably all these are this year's acorns. OK <½ ID Total Q. agrifolia 56 3 59 Q. lobata 10 5 15 Q. douglasii 1 0 1 Totals 67 8 75 5 live grubs were found; 1 weevil (large) in Q.l. 2 small ? in Q.a. 2 weevils in bag. % agr: 79% % lob: 20% %doug: 1% %ID: agr: 59% lob: 33% Acorns pulled from granary 19 Dec. 1982 OK <½ ID >½ ID Total Q. agrifolia 43 6 1 50 Q. lobata 12 3 2 17 Q. douglasii 8 0 0 8 Total 63 9 3 75 %agr: 66% %lob: 23% %doug: 11% %ID agr: 14% lob: 29% 12 Grubs came from this batch. 2 were "floating" (both weevils). 7 weevils were in Live Oaks (4 in one acorn, 2 in another, 1 in 1). 2 other grubs were alive in agrifolia acorns. The insect damage in the lobata was generally older; only 1 (probable) weevil was detected in that. Several acorns had exit holes - sometimes such acorns had live grubs in them and other times no.