Cephenniini, Reitter, 1882
publication ID |
https://doi.org/ 10.11646/zootaxa.5339.5.6 |
publication LSID |
lsid:zoobank.org:pub:DAB20943-70D7-4129-9D89-E144D6EC4997 |
DOI |
https://doi.org/10.5281/zenodo.8315342 |
persistent identifier |
https://treatment.plazi.org/id/21518782-F822-B60A-F0B2-FEE69A8D8D8E |
treatment provided by |
Plazi |
scientific name |
Cephenniini |
status |
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Updated key to extant genera of Cephenniini View in CoL
1 All legs with ‘trochantellus’; Neotropical.................................................................. 2
- Legs lacking ‘trochantellus’............................................................................. 6
2 Prosternal process absent.............................................. Pseudocephennium Reitter View in CoL [Neotropical]
- Prosternal process present, clearly separating procoxae....................................................... 3
3 Prosternal process in lateral view strongly bent or curved posterad, with apex directed posterad or posteroventrad......... 4
- Prosternal process in lateral view nearly straight, with apex directed ventrad...................................... 5
4 Abdomen modified, with conspicuously shortened second visible sternite, additionally hidden under dense fringe of long setae along posterior margin of first visible sternite; prosternal process in ventral view subtriangular, narrowing posterad to rounded apex; procoxal cavities closed posteriorly.............................. Monstrophennium Jałoszyński View in CoL [Neotropical]
- Abdomen unmodified, first visible sternite lacking posterior fringe of long setae; prosternal process in ventral view nearly parallel-sided or rhomboidal with truncate or slightly emarginate apex; procoxal cavities open posteriorly................................................................................... Paracephennium O’Keefe View in CoL [Neotropical]
5 Prosternal process in ventral view with deeply bifurcate posterior margin............. Furcodes Jałoszyński View in CoL [Neotropical]
- Prosternal process in ventral view with truncate or slightly concave posterior margin, not bifurcate................................................................................................ Shyri Jałoszyński View in CoL [Neotropical]
6 Pronotum with pair of longitudinal C-shaped furrows......................... Eutheimorphus Franz & Löbl View in CoL [Oriental]
- Pronotum lacking C-shaped furrows...................................................................... 7
7 Pronotum with pair of mediolateral glandular openings....................................................... 8
- Pronotum without mediolateral openings................................................................... 9
8 Antennae 11-segmented, with asymmetrical and loosely assembled dimerous club...... Trichokrater Jałoszyński View in CoL [Oriental]
- Antennae 10-segmented, with oval and symmetrical club formed by two fused antennomeres...................................................................................................... Trurlia Jałoszyński View in CoL [Oriental]
9 Antennae 10-segmented, with large club formed by two fused antennomeres.......... Clavomicrus Jałoszyński View in CoL [Oriental]
- Antennae clearly 11-segmented......................................................................... 10
10 Prothoracic basisternal region about as long as procoxal rests or longer..................... Etelea Csiki View in CoL [W Palaearctic]
- Prothoracic basisternal region clearly shorter than procoxal rests............................................... 11
11 Prosternal process absent.............................................................................. 12
- Prosternal process present............................................................................. 13
12 Antenna with indistinct trimerous club............................... Cephennium Müller & Kunze View in CoL [W Palaearctic]
- Antenna with distinct dimerous club................................. Nanophthalmus Motschulsky View in CoL [W Palaearctic]
13 Pronotum lacking antebasal pits......................................................................... 14
- Pronotum with at least one pair of antebasal pits or foveae.................................................... 18
14 Antennae gradually thickened, lacking abruptly delimited club; prosternal process in ventral view extremely thin, lamellate, in lateral view narrowly subtriangular and strongly projecting ventrad beyond ventral margins of procoxae...................................................................................... Cephazteca Jałoszyński View in CoL [Neotropical]
- Antennae with dimerous or trimerous clubs; prosternal process in ventral view subquadrate, subtriangular or subrectangular with rounded or truncate tip, in lateral view not strongly projecting ventrally..................................... 15
15 Antennae with trimerous clubs; prothorax with two pairs of internal ‘cavities’ (visible as translucent oval areas on sides in posterior half)........................................................................ genus X1 (Sulawesi)
- Antennae with clearly dimerous clubs; prothorax with at most one pair of internal ‘cavities’......................... 16
16 Prosternal process in ventral view about as long as broad; posterior margins of mesocoxal rests not carinate; aedeagus with internal lentiform sclerotization at base........................................ Papuamicrus gen. n. [New Guinea]
- Prosternal process clearly elongate; posterior margins of mesocoxal rests carinate; aedeagus lacking internal basal lentiform sclerotization........................................................................................ 17
17 Antennal club composed of two unilaterally expanded antennomeres; each prothoracic hypomeron partly divided into anterior and posterior region by transverse carina; notosternal sutures partly obliterated; elytra lacking macrosetae................................................................................... Cephennococcus Jałoszyński View in CoL [Oriental]
- Antennal club composed of two symmetrical antennomeres; prothoracic hypomera undivided; notosternal sutures developed on entire length; elytra with numerous long macrosetae............................... Indomicrus Jałoszyński View in CoL [Oriental]
18 Basal elytral foveae large and filled with dense setae........................................................ 19
- Basal elytral foveae, if discernible, asetose................................................................ 20
19 Prosternal process short, not projecting ventrally beyond procoxae and not bent................................................................................................... Hlavaciellus Jałoszyński View in CoL [Oriental, Himalaya]
- Prosternal process long, projecting ventrally beyond procoxae and bent posteriorly at obtuse angle........................................................... Cephennodes Reitter View in CoL [Afrotropical, Palaearctic, Oriental, Nearctic, Australian]
20 Prosternal and mesoventral processes inversely T-shaped in cross-section, so that mesal portions of pro- and mesocoxae are hidden under expanded ventral surface of each process...................................................... 21
- Prosternal and mesoventral processes subtriangular or trapezoidal in cross-section, mesal portions of pro- and mesocoxae visible in ventral view................................................................................ 22
21 Pronotum with sublateral carinae; elytra with subhumeral carinae................... Cephennula Jałoszyński View in CoL [Oriental]
- Pronotum lacking sublateral carinae; elytra lacking subhumeral carinae.............. Lathomicrus Jałoszyński View in CoL [Oriental]
22 Each elytron with humeral carina; pronotum with more than two pairs of small but deep lateral foveae.......................................................................................... Foveomicrus Jałoszyński View in CoL [Oriental]
- Humeral carinae absent; pronotum with at most two pairs of lateral pits......................................... 23
23 Prothorax with posterolateral internal ‘cavities’ (in dried specimens visible as translucent areas in posterior half).............................................................................. Pomphopsilla Jałoszyński View in CoL [Afrotropical]
- Prothorax lacking internal ‘cavities’............. Cephennomicrus Reitter View in CoL [Afrotropical, Palaearctic, Oriental, Australian]
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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Scydmaeninae |
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Cephenniini |
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