Anthribidae, Billberg, 1820
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publication ID |
https://doi.org/ 10.11646/zootaxa.4904.1.1 |
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publication LSID |
lsid:zoobank.org:pub:85710B8C-8814-4763-AA49-C28124F92EE0 |
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DOI |
https://doi.org/10.5281/zenodo.4443954 |
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persistent identifier |
https://treatment.plazi.org/id/039C342A-6E43-EC08-FF1E-63E0FA4DF81E |
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treatment provided by |
Plazi |
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scientific name |
Anthribidae |
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Key to the genera of Anthribidae View in CoL View at ENA of Panama
The following key is partially based on Jordan (1906) and Valentine (1960, 1998, 2002). The characters described may vary in species not recorded from Panama.
1. Antennal insertion dorsal ( Fig. 80 View FIGURES 80–83 ), close to the lower portion of the eyes; scape bent and asymmetrical; club never 4-articulate (SUBFAMILY CHORAGINAE )......................................................................... 2
1’. Antennal insertion lateral ( Fig. 81 View FIGURES 80–83 ), or if dorsal, far from the lower portion of the eyes and antennal club 4 articulate; scape symmetrical (SUBFAMILY ANTHRIBINAE ).............................................................. 5
SUBFAMILY CHORAGINAE
2(1). Eyes elongate-oval, with the upper edges closer together than the lower, making frons narrower in the upper portion (Tribe Choragini )........................................................................................... 3
2’. Eyes rounded, with the upper edges not closer together than the lower, frons not narrower in the upper portion (Tribe Araecerini ).............................................................................................. 4
3(2). Sides of the prothorax sulcate beneath the lateral carina.............................................. Holostilpna View in CoL
3’. Sides of the prothorax not sulcate beneath the lateral carina............................................... Dysnos View in CoL
4(2’). Dorsal carina of prothorax basal; lateral carina of prothorax present ( Fig. 79 View FIGURES 75–79 )............................... Araecerus View in CoL
4’. Dorsal carina of prothorax distant from base (antebasal); lateral carina of prothorax absent........................ Neoxenus
SUBFAMILY ANTHRIBINAE
5(1’). Antennal insertions lateral; antennal club 3-articulate ( Fig. 84 View FIGURES 84–87 )..................................................6
5’. Antennal insertions dorsal; antennal club 4-articulate (Tribe Discotenini )................................. Discotenes View in CoL
6(5). Lateral carina of prothorax complete, straight ( Fig. 82 View FIGURES 80–83 ); eyes emarginate (Tribe Basitropini , in part).................... 7
6’. Lateral carina of prothorax incomplete, various shapes ( Fig. 83 View FIGURES 80–83 ); eyes variable..................................... 8
7(6). Apex of rostrum with rounded or angled mesial sinus ( Figs. 85 View FIGURES 84–87 , 9 View FIGURES 9–14 , 15 View FIGURES 15–19 )..................................... Eugonus View in CoL
7’. Apex of rostrum without mesial sinus............................................................. Eugonodes View in CoL
8(6’). Rostrum short and wide, rounded shape in frontal view; antennal insertion foveiform, triangular, encroaching on the lower margin of the eyes ( Fig. 86 View FIGURES 84–87 ); eyes coarsely faceted; antennae covered with long, erect setae (Tribe Corrhecerini ).......... 9
8’. Rostrum longer, quadrangular to elongate in frontal view; antennal insertion variable, not encroaching on the lower margin of the eyes ( Fig. 87 View FIGURES 84–87 ); eyes variable; if antenna with long setae, rostrum very elongate................................. 10
9(8). Dorsal carina of prothorax basal, with acute angles ( Figs. 15 View FIGURES 15–19 , 20 View FIGURES 20–24 )...................................... Corrhecerus View in CoL
9’. Dorsal carina of prothorax antebasal ( Figs. 16 View FIGURES 15–19 , 21 View FIGURES 20–24 ), with rounded angles................................ Nemotrichus View in CoL
10(8’). Eyes emarginate, with acute incisions in the lower margin.....................................................11
10’. Eyes not emarginate, oval, truncate, or at most slightly sinuous in the lower margin................................ 14
11(10). Pronotum with basal angles projected; rostrum widened at apex, without mesial sinus; less than 3 mm (Tribe Zygaenodini ) 12
11’. Pronotum with basal angles not projected; rostrum not widened at apex, with rounded mesial sinus; more than 3 mm (Tribe Basitropini , in part) ( Figs. 4-8 View FIGURES 3–8 , 10-14 View FIGURES 9–14 )............................................................ Phaenithon View in CoL
12(11). Dorsal carina of prothorax basal........................................................................ 13
12’. Dorsal carina of prothorax antebasal ( Figs. 73 View FIGURES 70–74 , 78 View FIGURES 75–79 ).................................................... Ormiscus View in CoL
13(12). Dorsal carina of prothorax rounded in the middle; elytra emarginated together at base....................... Eusphyrus View in CoL
13’. Dorsal carina of prothorax forming an obtuse but distinct angle in the middle; basal margins of each elytron rounded.................................................................................................. Scymnopis View in CoL 14(10’). Antennal insertion contiguous to the lower margin of the eye................................................. 15
14’. Antennal insertion far from to the lower margin of the eye.................................................... 16
15(14). Rostrum broad in lateral view; mandibles wide, with a strongly toothed ventral cutting edge; antennae short, not reaching the base of elytra; basal margin of pronotum sinuose; without tufts of erect scales on pronotum and elytra ( Fig. 17-19 View FIGURES 15–19 , 22-24 View FIGURES 20–24 ) (Tribe Cratoparini )................................................................................... Euparius View in CoL
15’. Rostrum flattened in lateral view, mandibles flattened, without a toothed ventral cutting edge; antennae long, reaching beyond the base of elytra; basal margin of pronotum straight to feebly sinuose; tufts of erect scales on the pronotum and elytra ( Fig. 61 View FIGURES 59–64 , 67 View FIGURES 65–69 ) (Tribe Platystomini )......................................................................... Toxonotus View in CoL
16(14’).Antennae covered with long, erect setae; rostrum elongate (except S. frontalis Jekel View in CoL , with a short rostrum), widened at apex, curved in lateral view; posterior dorsal carina of prothorax very close to the base ( Figs. 70-72 View FIGURES 70–74 , 75-77 View FIGURES 75–79 ) (Tribe Stenocerini , in part)........................................................................................ Stenocerus View in CoL
16’. Antennae not covered with very long setae; rostrum variable; posterior dorsal carina of prothorax variable.............. 17
17(16’).Posterior carina of pronotum completely basal or curved, reaching the base only at the lateral margins (Tribe Piesocorynini , in part)............................................................................................... 18
17’. Posterior carina of pronotum completely anterior to the base (antebasal), straight.................................. 20
18(17). Tibia and tarsi of all legs covered with long, erect setae ( Figs. 44, 45 View FIGURES 41–45 , 49, 50 View FIGURES 46–50 )............................. Lagopezus View in CoL
18’. Tibia and tarsi without long erect setae....................................................................19
19(18’).Third antennal segment longer than first (scape) and second (pedicellum) together ( Figs. 51 View FIGURES 51–54 to 58).......... .. Piesocorynus View in CoL
19’. Third antennal segment shorter than first and second together.......................................... Piezobarra View in CoL
20(17’).Basal margin of scutellum below the basal margin of the elytra ( Fig. 88 View FIGURES 88–93 ) (Tribe Gymnognathini )..................... 21
20’. Basal margin of scutellum at the same level or above the basal margin of the elytra ( Fig. 89 View FIGURES 88–93 )........................ 22
21(20). Mesial carina of rostrum absent; eyes oblique, sinuous in the upper margin ( Fig. 90 View FIGURES 88–93 ); pygidium elongate and narrow, with the base not wider than the apex.................................................................... Domoptolis View in CoL
21’. Mesial carina of rostrum present; eyes somehow parallel, rounded ( Fig. 91 View FIGURES 88–93 ); pygidium quadrangular or triangular, with the base wider than the apex......................................................................... Gymnognathus View in CoL
22(20’). Rostrum long, at least 1.5 times longer than wide, subcylindrical or flattened at apex.............................. 23
22’. Rostrum short, quadrangular or wider than long, flattened at apex...............................................26
23(22). Eyes rounded; rostrum flattened, mesial carina absent (Tribe Stenocerini , in part............................ Allandrus View in CoL
23’. Eyes elliptical or truncate at frontal margin; rostrum subcylindrical or flattened at apex, mesial carina present........... 24
24(23’). Eyes elliptical; rostrum with a mesial carina; elytra with a row of elevated tubercles in the third interspace, usually with tufts of erect setae ( Figs. 41, 42 View FIGURES 41–45 , 46, 47 View FIGURES 46–50 ) (Tribe Ischnocerini )............................................. .. Meconemus View in CoL
24’. Eyes rounded, truncate at frontal margin; rostrum with one to three carinae; elytra variable, with smaller tubercles (Tribe Ptychoderini ).......................................................................................... 25
25(24’) Rostrum with three strong carinae, one mesial and two lateral, occasionally covered by the vestiture ( Figs. 62-64 View FIGURES 59–64 , 68, 69 View FIGURES 65–69 )............................................................................................. Ptychoderes View in CoL
25’. Rostrum with one mesial carina................................................................ Hypselotropis View in CoL
26(22’).Eyes rounded, coarsely granulate; elytra rounded ( Fig. 43 View FIGURES 41–45 , 48 View FIGURES 46–50 ) (Tribe Piesocorynini , in part)........................................................................................... Brevibarra View in CoL
26’. Eyes oblique, finely granulate; elytra subcylindrical or quadrangular............................................ 27
27(26’). Postbasal carina of prothorax present ( Fig. 92 View FIGURES 88–93 ).............................................................28
27’. Postbasal carina of prothorax absent..................................................................... 29
28(27). Anterior tibia with a brush-like lobe at apex ( Fig. 93 View FIGURES 88–93 ); apex of mesosternal process rounded; elytra smooth; eyes almost touching on the inner margin........................................................................... Anthiera View in CoL
28’. Anterior tibia without brush-like lobe; apex of mesosternal process angulate; elytra with tubercles; eyes not touching on the inner margin ( Figs. 59 View FIGURES 59–64 , 65 View FIGURES 65–69 )........................................................................ Strabus
29(27’). Rostrum with mesial carina; coxae rounded ( Figs. 60 View FIGURES 59–64 , 66 View FIGURES 65–69 )........................................... Homocloeus View in CoL
29’. Rostrum without mesial carina; coxae angulate.................................................... .. Monocloeus View in CoL
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