NEW SYNONYMY AND RECORDS OF AMERICAN BARK BEETLES (COLEOPTERA: SCOLYTIDAE) Stephen L. Wood^ Abstr.-\ct. — New synonymy afforting American Scolytidae is proposed as follows: Acanthotomicus granulatus (Ferrari), n. comb. {^Miinips uncinatus Wood). Araptus dcyrollei (Blandford). new comb. ( -^Araplus insinuatus Wood), Cnesinus adiistus Schedl { = Cnesinus atrodeclivis Wood). Corlhylocurus mexi-canus (Schedl). n. comb. {=Corthylus cylindricus Schodl). Corthylus collaris Blandford {=Corthylus splendens Wood). Corthylus coma/us Blandford (= Cor-thylus spendidus Bright). Corthylus uniseptis Schedl {= Corthylus reburrus Bright.) Dendrocranulus carbonarius (Ferrari), n. comb. {^--Xylocleptes flori-densis Hopkins, Xylocleples anonne Hopkins). Dendrocranulus maurus (Bland-ford), n. comb. {^Dendrocranulus huehuetanus Schedl). Dendroctonus valens LeConte ( = Dendroctonus rhizophagus Thomas and Bright). Gymnochilus conso-cius (Blandford), n. comb. { = Problechilus trimaculatus Schedl), Gymnochilus minor (Blandford), n. comb. ( = Problechilus varius Schedl), Gymnochilus zona-tus Eichhoff ( = Problechilus freyi Schedl). Hypothenemus areccae (Hornung) {=Hypothenemus vafer Blandford). Hypothenemus erudiius W^estwood {=Cry-phalus obscurus Ferrari). Micracis grandis Schedl ( ^Micracis costaricensis Wood). Micracis swainei Blackman (=Micracis robustus Schedl. Micracis pyg-rnaeus Schedl). Microcorthylus parvulus Ferrari {=Pterocyclon exile Eichhoff), Monarthrum bicolor (Ferrari), n. comb. ( = Corthylus signatus Ferrari. Phthorius edentatus Hagedorn). Alonarthruni consimile (Blandford). n. comb. (^Ptero-cyclon pseudosulcatum Schedl). Monarthrum egenum (Blandford). n. comb. {=--Brachyspartus hisetosus Schedl). Monarthrum fimbraticorne (Blandford) {=Pterocyclon turbinatum Schedl). Monarthrum gnarum (Schedl), n. comb. { — Amphicranus spinalus Bright). Monarthrum ralidum (Ferrari), n. comb. {=Amphicranus mexicanus Eggers. Pterocyclon jalapae Schedl). Phloeoborus scaber Erichson ( = Phloeoborus opacithorax Schedl). Phloeosinus serratus (Le-Conte) ( ^Phloeosinus rugosus Swaine). Phloenlribus setulosus Eichhoff i^Phloeotribus rudis Eichhoff. Phloentribus sodalis Blandford. Phloeotribus bolivianus Eggers). Pycnarthrutn reticulatum Schedl { ^Pycnarthrum fici Wood), Scolytodes rugicollis (Schedl). n. comb. ( =Scolytodes plicatus Wood). Xylosan-drus morigerus (Blandford) ( = Xyleborus luzonicus Eggers). New names are proposed as follows: Araptus decorulus for Araptus decorus Wood. Cnemonyx nigrellus for Loganius niger W^ood, Monarthrum bicoloratum for Monarthrum bicolor Wood. Araptus sobrinus, n. sp. (Mexico), and Dendroctonus vitei, n. sp. (Guatemala), are named as new to science. Dendroctonus mexicanus Hopkins is removed from synonymy. During the preparation of a ta.xonomic monograph of the Scolyt-idae of North and Central America, the unpublished synonymy summarized in the above abstract and treated on the following pages was encountered. In order to stabilize nomenclature and fix estab-lished names, several lectotypes are designated. Specimens or series referred to in the discussion are in my collec-tion unless a definite statement indicates otherwise. The species are arranged in alphabetical order except that those described as new to science are presented at the end of the article. Acanthomicus granulatus (Ferrari), n. comb. Xylocleptes granulatus Ferrari. 1867, Die Forst-und Baumzuchtschadlichen 'Department of ZooIorv, Brighain YmiriK Univcrsitv. Provo, Utah 84ri02. Scnlvtidac rnnlrib\itif>ii No. .54. 277
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