Pinodytes, Horn, 1880

Peck, Stewart B. & Cook, Joyce, 2011, Systematics, distributions and bionomics of the Catopocerini (eyeless soil fungivore beetles) of North America (Coleoptera: Leiodidae: Catopocerinae) 3077, Zootaxa 3077 (1), pp. 1-118 : 15-16

publication ID

https://doi.org/ 10.11646/zootaxa.3077.1.1

persistent identifier

https://treatment.plazi.org/id/03B37553-3D7A-A17D-9DC0-FEE8FA26083F

treatment provided by

Felipe

scientific name

Pinodytes
status

 

Key to North American species of Pinodytes View in CoL (males)

Males can be separated from females by the presence of phanerae (apically widened setae) ventrally on at least the protarsomeres.

1 Both protarsomeres and mesotarsomeres bearing phanerae ventrally ( Figs. 46 View FIGURES 44–51 , 55 View FIGURES 53–61 , 64 View FIGURES 62–69 , 72 View FIGURES 70–78 )............................ 2

– Only protarsomeres bearing phanerae ventrally.............................................................. 5

2 Median lobe of aedeagus short and broad ( Fig. 49 View FIGURES 44–51 ); parameres broad ( Fig. 49 View FIGURES 44–51 ); interior highlands region of the United States … newtoni View in CoL group................................................................................. P. newtoni View in CoL

– Median lobe of aedeagus elongate ( Figs. 59 View FIGURES 53–61 , 67 View FIGURES 62–69 , 75 View FIGURES 70–78 ); parameres narrow ( Figs.59 View FIGURES 53–61 , 67 View FIGURES 62–69 , 75 View FIGURES 70–78 ); occurs in western North America. 3

3 Larger (total length about 2 mm); longitudinal carina of mesoventrite expanded at middle ( Fig. 61 View FIGURES 53–61 ); the state of Alaska … borealis View in CoL group................................................................................ P. borealis View in CoL

– Smaller (total length 1.5 mm or less); longitudinal carina of mesoventrite not expanded at middle ( Figs. 69 View FIGURES 62–69 , 78 View FIGURES 70–78 ); does not occur in Alaska ............................................................................................ 4

4 Median lobe of aedeagus in lateral view with depth at middle about equal to depth of paramere ( Fig. 66 View FIGURES 62–69 ); longitudinal carina of mesoventrite with a small tooth ( Fig. 69 View FIGURES 62–69 ); the states of Washington and Idaho … punctatus View in CoL group............ P. punctatus View in CoL

– Median lobe of aedeagus in lateral view with depth at middle about twice depth of paramere ( Fig. 74 View FIGURES 70–78 ); longitudinal carina of mesoventrite lacks teeth ( Fig. 78 View FIGURES 70–78 ); the state of Colorado … colorado View in CoL group................................ P. colorado View in CoL

5 Antennomeres 9 and 10 lack visible sensory vesicles; antennomere 7 clearly larger than 8 ( Fig. 257 View FIGURES 257–264 ); parameres slender and distinctly shorter than median lobe of aedeagus ( Fig. 262 View FIGURES 257–264 ); protibia strongly widened apically ( Fig. 258 View FIGURES 257–264 ); mesoventrite with a distinct, deep excavation posterior to transverse carina ( Fig.282 View FIGURES 275–282 )........................... cryptophagoides View in CoL group...6

– Antennomeres 9 and 10 with visible sensory vesicles ( Fig. 79 View FIGURES 79–86 ); antennomeres 7 and 8 subequal in size ( Fig. 79 View FIGURES 79–86 ); parameres broad, extending nearly to or beyond apex of median lobe of aedeagus ( Fig. 84 View FIGURES 79–86 ); protibia not strongly widened apically; mesoventrite without a distinct excavation posterior to transverse carina ( Fig. 86 View FIGURES 79–86 ) pusio View in CoL group...........................21

6 Mesoventrite with large patch of dense white setae on each side of longitudinal carina ( Fig.334 View FIGURES 327–334 )....................... 7

– Mesoventrite without patches of white setae................................................................ 8

7 Median lobe of aedeagus in dorsal view slightly constricted before narrow apex ( Fig. 332 View FIGURES 327–334 ).................... P. delnorte View in CoL

– Median lobe of aedeagus in dorsal view broadly rounded apically ( Fig. 373 View FIGURES 368–375 )................................ P. setosus View in CoL

8 Apex of median lobe of aedeagus demarked by a ridge ( Figs. 271 View FIGURES 266–273 , 340 View FIGURES 335–342 )......................................... 9

– Apex of median lobe of aedeagus not demarked by a ridge................................................... 10

9 Apex of median lobe of aedeagus narrow ( Fig. 340 View FIGURES 335–342 ) and strongly declivous ( Fig. 339 View FIGURES 335–342 )...................... P. garibaldi View in CoL

– Apex of median lobe of aedeagus broad ( Fig. 271 View FIGURES 266–273 ) and not declivous ( Fig. 270 View FIGURES 266–273 )........................ P. subterraneus View in CoL

10 Mesotibia abruptly widened before apex ( Fig. 313 View FIGURES 311–318 )......................................................... 11

– Mesotibia evenly widened from base to apex.............................................................. 13

11 Median lobe of aedeagus not sinuate in dorsal view; apex of median lobe narrow with a weak, rounded lobe ( Fig. 316 View FIGURES 311–318 )................................................................................................... P. tibialis View in CoL

– Median lobe of aedeagus sinuate in dorsal view ( Figs. 366 View FIGURES 360–367 , 389 View FIGURES 384–391 ); apex of median lobe broad ( Figs. 366 View FIGURES 360–367 , 389 View FIGURES 384–391 )............ 12

12 Total length more than 4.0 mm; longitudinal carina of mesoventrite irregularly serrate ( Fig. 367 View FIGURES 360–367 ); apical one-third of mesotibia expanded ( Fig. 362 View FIGURES 360–367 ).............................................................................. P. orca View in CoL

– Total length less than 2.5 mm; longitudinal carina of mesoventrite with a single small tooth ( Fig. 391 View FIGURES 384–391 ); mesotibia expanded before apex ( Fig. 386 View FIGURES 384–391 ).......................................................................... P. sinuatus View in CoL

13 Median lobe of aedeagus sharply dorsoventrally angulate before flattened apex ( Figs.323 View FIGURES 319–326 , 279 View FIGURES 275–282 ); inner margin of mesotibia concave ( Figs. 321 View FIGURES 319–326 , 277 View FIGURES 275–282 ).................................................................................. 14

– Median lobe of aedeagus not as above; inner margin of mesotibia convex or straight.............................. 16

14 Total length about 2 mm; internal sac of aedeagus with a bilobed sclerite ( Fig. 324 View FIGURES 319–326 )....................... P. angulatus View in CoL

– Total length greater than 2 mm; internal sac of aedeagus without a bilobed sclerite................................. 15

15 Internal sac of aedeagus with several large sclerotized structures ( Fig. 280 View FIGURES 275–282 ); the state of Oregon ............. P. imbricatus View in CoL

Internal sac of aedeagus with several types of spines ( Fig. 348 View FIGURES 343–350 ); the islands of Haida Gwaii , British Columbia P. haidagwaii View in CoL

16 Median lobe of aedeagus sharply dorsoventrally angulate in lateral view ( Fig. 296 View FIGURES 292–301 ).......................... P. capizzii View in CoL

– Median lobe of aedeagus variously dorsoventrally curved.................................................... 17

17 Median lobe of aedeagus in dorsal view wider in apical one-fifth than at middle ( Figs. 356 View FIGURES 351–358 , 381 View FIGURES 376–383 ); inner margin of mesotibia straight ( Figs. 353 View FIGURES 351–358 , 378 View FIGURES 376–383 ); the state of Idaho ................................................................. 18

– Apex of median lobe of aedeagus in dorsal view narrower than middle of median lobe ( Figs. 262 View FIGURES 257–264 , 288 View FIGURES 283–291 ); inner margin of mesotibia convex ( Figs. 259 View FIGURES 257–264 , 285 View FIGURES 283–291 ); Pacific coast............................................................ 19

18 Total length less than 2.0 mm; median lobe of aedeagus most strongly curved in apical one-half ( Fig. 355 View FIGURES 351–358 )....... P. isabella View in CoL

– Total length more than 2.0 mm; median lobe of aedeagus most strongly curved in posterior one-half ( Fig. 380 View FIGURES 376–383 ).. P. shoshone View in CoL

19 Apex of median lobe of aedeagus in dorsal view doubly constricted before apex ( Fig. 288 View FIGURES 283–291 ).................... P. newelli View in CoL – Apex of median lobe of aedeagus not doubly constricted before apex............................................ 20

20 Apex of median lobe of aedeagus in dorsal view attenuately spinose ( Fig. 262 View FIGURES 257–264 )....................... P. cryptophagoides View in CoL

– Apex of median lobe of aedeagus broadly triangular ( Fig. 307 View FIGURES 302–309 )............................................ P.rothi View in CoL

21 Median lobe of aedeagus constricted before rounded, lobed apex ( Fig. 158 View FIGURES 153–159 ); known only from the state of Idaho .... P.idaho View in CoL

– Median lobe of aedeagus not as above; California or southern Oregon .......................................... 22

22 Outer margin of mesotibia with a distinctive elongate spine near middle that is about two times length of other spines on outer margin ( Figs. 90 View FIGURES 88–95 , 147 View FIGURES 145–152 )................................................................................. 23

– Outer margin of mesotibia without a distinctive elongate spine near middle....................................... 29

23 Inverted internal sac of median lobe of aedeagus with a series of dark spines extending beyond base ( Figs. 150 View FIGURES 145–152 , 230 View FIGURES 225–232 )...... 24

– Inverted internal sac of median lobe of aedeagus without a series of dark spines extending beyond base................ 27

24 Mesoventrite with longitudinal carina on different plane than transverse carina ( Figs. 152 View FIGURES 145–152 , 232 View FIGURES 225–232 )....................... 25

– Mesoventrite with longitudinal carina on about same plane as transverse carina................................... 26

25 Apex of median lobe of aedeagus broadly rounded ( Fig. 150 View FIGURES 145–152 ); pronotum with reticulate microsculpture.... P. humboldtensis View in CoL

– Apex of median lobe of aedeagus narrowly rounded ( Fig. 230 View FIGURES 225–232 ); pronotum with transverse, substriate microsculpture P.shasta View in CoL

26 Median lobe of aedeagus narrow at apex ( Fig. 246 View FIGURES 241–248 ); sides of base of median lobe meet at dorsal midline ( Fig.246 View FIGURES 241–248 ). P.tehama View in CoL

– Median lobe of aedeagus not narrow at apex ( Fig. 101 View FIGURES 96–103 ); sides of base of median lobe do not meet at dorsal midline ( Fig. 101 View FIGURES 96–103 )........................................................................................... P. chandleri View in CoL

27 Apex of median lobe of aedeagus strongly narrow ( Fig. 93 View FIGURES 88–95 ); internal sac with one pair of large spines and numerous small spines ( Fig. 93 View FIGURES 88–95 )................................................................................. P. ovatus View in CoL

– Apex of median lobe moderately narrow ( Figs. 165 View FIGURES 160–167 , 190 View FIGURES 185–192 ); internal sac not as above................................ 28

28 Internal sac of aedeagus with two pairs of large spines ( Fig. 165 View FIGURES 160–167 )................................... P. klamathensis View in CoL

– Internal sac of aedeagus with an hour-glass shaped sclerite and, when inverted, a double series of small spines ( Fig. 190 View FIGURES 185–192 )................................................................................................ P.minutus View in CoL

29 Median lobe of aedeagus broad, asymmetrical at apex (Fig.); internal sac with a single large, strong spine and clusters of smaller spines ( Fig. 238 View FIGURES 233–240 ).......................................................................... P. spinus View in CoL

– Aedeagus not as above................................................................................ 30

30 Median lobe of aedeagus, in dorsal view, with lateral notches before apex ( Figs. 84 View FIGURES 79–86 , 142 View FIGURES 137–144 , 254 View FIGURES 249–256 )........................ 31

– Median lobe of aedeagus, in dorsal view, without lateral notches before apex..................................... 35

31 Inner margin of parameres, in dorsal view, with a flange before apex ( Figs. 142 View FIGURES 137–144 , 254 View FIGURES 249–256 ).............................. 32

– Inner margin of parameres straight...................................................................... 33

32 Median lobe of aedeagus, in lateral view, with dorsal margin sharply declivous at apical one-third ( Fig. 141 View FIGURES 137–144 ); apex of median lobe not narrow ( Fig. 142 View FIGURES 137–144 )....................................................................... P. gibbosus View in CoL

– Median lobe of aedeagus, in lateral view, not sharply declivous ( Fig. 253 View FIGURES 249–256 ); apex of median lobe narrow ( Fig. 254 View FIGURES 249–256 ).... P.tuolumne View in CoL

33 Larger species, total length 2–3 mm; longitudinal carina of mesoventrite irregularly serrate ( Fig. 223 View FIGURES 216–223 )............ P. sequoia View in CoL

– Smaller species, total length less than 1.7 mm; longitudinal carina of mesoventrite with a single tooth ( Figs. 86 View FIGURES 79–86 , 135 View FIGURES 128–135 )..... 34

34 Apex of median lobe of aedeagus flat ( Fig. 132 View FIGURES 128–135 ), with acute tip ( Fig. 133 View FIGURES 128–135 )................................... P. fresno View in CoL

– Apex of median lobe of aedeagus not flat ( Fig. 83 View FIGURES 79–86 ), with rounded tip ( Fig. 84 View FIGURES 79–86 )................................ P.pusio View in CoL

35 Width of metafemur 3–4 times width of metatibia.......................................................... 36

– Width of metafemur less than three times width of metatibia.................................................. 37

36 Metatibia with elongate spine near middle of outer margin ( Fig. 196 View FIGURES 193–200 ); apex of median lobe of aedeagus triangular in dorsal view ( Fig. 198 View FIGURES 193–200 )............................................................................... P. monterey View in CoL

– Metatibia without elongate spine near middle of outer margin; median lobe of aedeagus with narrow apex ( Fig. 173 View FIGURES 168–175 ) … P. losangeles View in CoL

37 Body dorsally elongate in shape, length/width more than 2.25................................................. 38

– Body dorsally oval in shape, length/width less than 2.00..................................................... 39

38 Metatibia with strong spine near middle of outer margin ( Fig. 107 View FIGURES 104–111 ); median lobe of aedeagus sharply constricted before triangular apex ( Fig. 109 View FIGURES 104–111 )........................................................................ P. constrictus View in CoL

– Metatibia without strong spine near middle of outer margin; median lobe of aedeagus broad with narrow apex ( Fig. 214 View FIGURES 209–215 ).............................................................................................. P. sanjacinto View in CoL

39 Apices of parameres contorted ( Fig. 117 View FIGURES 112–119 )......................................................... P. contortus View in CoL

– Apices of parameres not contorted....................................................................... 40

40 Median lobe of aedeagus widest at apical one-third ( Fig. 125 View FIGURES 120–127 ); apex of median lobe acute ( Fig. 125 View FIGURES 120–127 )............ P.eldorado View in CoL

– Median lobe of aedeagus widest at basal one-third ( Figs. 181 View FIGURES 176–183 , 206 View FIGURES 201–208 ); apex of median lobe narrowly rounded ( Fig. 181 View FIGURES 176–183 , 206 View FIGURES 201–208 ). 41

41 Apex of median lobe of aedeagus ogival in shape ( Fig. 181 View FIGURES 176–183 ); inverted internal sac with one pair of elongate sclerites ( Fig. 181 View FIGURES 176–183 ).......................................................................................... P.marinensis View in CoL

– Apex of median lobe of aedeagus rounded ( Fig. 206 View FIGURES 201–208 ); inverted internal sac with two pairs of elongate sclerites ( Fig. 206 View FIGURES 201–208 )................................................................................................. P.parvus View in CoL

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Leiodidae

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