The following new synonymies and new combinations for Pselaphinae of North
and Central America are documented: Anarmodius aequinoctialis (Motschulsky)
(Trichonyx), New Comb.; Anthylarthron cornutum (Brendel) (= Anthylarthron
curtipenne Casey, New Syn.); Aporhexius robustus (Motschulsky) (Euplectus),
New Comb.; Batrisodes punctifrons Casey (= Batrisodes appalachianus Casey,
New Syn.); Batrisodes ionae (LeConte) (= Batrisodes caseyi Blatchley, New
Syn.); Batrisodes clypeonotus (Brendel) (= Batrisodes kahli Bowman, New Syn
.); Batrisodes lineaticollis (Aube) (= Batrisus globosus LeConte, New Syn.)
; Brachygluta corniventris (Motschulsky) (Bryaxis), New Comb., (= Bryaxis i
llinoiensis Brendel, New Syn.); Cedius ziegleri LeConte (= Cedius robustus
Casey, New Syn.); Conoplectus simplex (Motschulsky) (Rhexius), New Comb., j
un. syn, of Conoplectus canaliculatus (LeConte), New Syn.; Ctenisodes Raffr
ay (= Pilopius Casey, New Syn.); Cylindrarctus ludovicianus (Brendel) (= Cy
lindrarctus comes Casey, New Syn.; Dalmosanus Park (= Pygmactium Grigarick
and Schuster, New Syn.); Decarthron consanguineum (Motschulsky) (Bryaxis),
New Comb.; Decarthron formiceti (LeConte) (= Decarthron rayi Park, = Decart
hron seriepunctatum Brendel, New Syns.); Decarthron velutinum (LeConte), Ne
w Status (= "D. formiceti," Park, 1958); Decarthron marinum Brendel (= Deca
rthron diversum Park, New Syn.); Decarthron robustum (Motschulsky) (Metaxis
), New Comb.; Euphalepsus Reitter (= Barada Raffray, = Tetrasemus Jeannel,
New Syns.), in subtribe Baradina; Eupsenius dilatatus Motschulsky (= Eupsen
ius rufus LeConte, New Syn.); Eurhexius canaliculatus (Motschulsky) (Tricho
nyx), New Comb. (= Eurhexius zonalis Park, New Syn.); Harmophola adusta (Mo
tschulsky) (Euplectus), New Comb.; Iteticus cylindricus (Motschulsky) (Batr
isus), New Comb.; Nisaxis Casey (=Dranisaxa Park, New Syn.); Oropus striatu
s (LeConte) (=Oropus keeni Casey and O. brevipennis Casey, New Syns.); Pana
ramecia tropicalis (Motschulsky) (Euplectus), New Comb. (= Panaramecia will
iamsi Park, New Syn.); Phamisus Aube, (= Canthoderus Motschulsky, New Syn.)
; Pselaptus oedipus (Sharp) (Bryaxis, Cryptorhinula), New Comb.; Pselaphus
bellax Casey (= Pselaphus ulkei Bowman, New Syn); Reichenbachia intacta (Sh
arp) (= Bryaxis sarcinaria Schaufuss, New Syn.); Reichenbachia pruinosa (Mo
tschulsky) (Bryaxis), New Comb., (= Bryaxis macrura Motschulsky, = Reichenb
achia bierigi Park, New Syns.); Reichenbachia rubricunda (Aube) (= Bryaxis
gemmifer LeConte, New Syn.); Trimicerus Motschulsky, (= Batrybraxis Reitter
, New Syn.); Trimicerus cornigera (Motschulsky) (Bryaxis), New Comb. (= Bat
rybraxis panamensis Park, New Syn.); Trimicerus pacificus Motschulsky (= Ba
trybraxis boromnni Park, New Syn.); Trimiomelba dubia (LeConte) (= Trimium
americanum Motschulsky, = Trimium convexulum LeConte, = Trimiomelba laevis
Casey, New Syns.); Tyrus humeralis (Aube) (= Tyrus consimilis Casey, New Sy
n.); Tyrus semiruber Casey (= "Tyrus humeralis" of authors); Tyrus corticin
us Casey (= Tyrus carinifer Casey, New Syn.); Xybarida trimioides (Sharp) (
Bryaxis, Cryptorhinula), New Comb.
Lectotype designations: Batrisus ionae LeConte; Batrisus globosus LeConte;
Bryaxis consanguinea Motschulsky; Bryaxis corniventris Motschulsky; Bryaxis
pruinosa Motschulsky; Metaxis robusta Motschulsky; Rhexius simplex Motschu
lsky; Trimium americanum LeConte; Tyrus consimilis Casey. New species and g
enera: Cylindrarctus seminole Chandler, New Species (= "Cylindrarctus comes
," Chandler, 1988); Motschtyrus pilosus (Motschulsky) (Tychus), Panama, New
Genus, New Comb.