A checklist of the New World species of Tillinae (Coleoptera: Cleridae), with an illustrated key to genera and new country records Author Burke, Alan F. Author Leavengood, John M. Author Zolnerowich, Gregory text Zootaxa 2015 4059 1 1 39 journal article 39236 10.11646/zootaxa.4059.1.1 ae0e8e71-b21c-49fc-9a57-ef94d9b25107 1175-5326 234970 9E06C412-55E5-4F6E-94CA-C6DD3B1A95FE Key to New World Tillinae genera updated and modified from Opitz (2002) 1. Frons with a pair of protruding horns arising immediately above eyes................................ Bostrichoclerus - Frons without a pair of horns............................................................................ 2 2. Last antennomere as long as to much longer than length of preceding antennomeres combined ( Fig. 1 -E); eyes strongly emar- ginate...................................................................................... Monophylla - Last antennomere not enlarged, never as long as or longer than the length of preceding antennomeres combined, all antennom- eres approximately the same length ( Figs. 1 A–D, 1-F); eyes emarginate ( Figs. 2 -C, 2-D) or not....................... 3 3. Head subquadrate, enlarged; clypeus conspicuously wide; antennomeres 5–11 or 6–11 subquadrate, conspicuously wider than antennomeres 1–4 ( Fig. 1 -G) or 1–5 ( Fig. 1 -H); body relatively slender; elytra subparallel; integument smooth to glossy................................................................................................... Cylidrus - Head not subquadrate, if conspicuously enlarged throughout its length, distal antennomeres approximately the same width as remaining antennomeres ( Figs. 1 -A, 1-B, 1-D); body slender to robust; elytra subparallel or not; integument smooth to coarsely punctate............................................................................................. 4 4. Antennae strongly serrate ( Fig. 1 -D) to pectinate ( Fig. 1 -C).................................................... 5 - Antennae filiform ( Fig. 1 -A) to moderately serrate ( Fig. 1 -B)................................................... 7 5. Last antennomere as preceding antennomere in shape; antennomeres 4–10 strongly serrate ( Fig. 1 -D); length of specimens approximately 10 mm or more...................................................................... Bogcia - Last antennomere flattened laterally, ovoid; antennomeres 4–9 or 4–10 moderately serrate ( Fig. 1 -F) to pectinate ( Fig. 1 -C); length of specimens less than 8 mm ....................................................................... 6 6. Antennae composed of 11 antennomeres ( Figs. 1 -F).................................................. Barrotillus - Antennae composed of 10 antennomeres ( Fig. 1 -C)................................................... Callotillus 7. Tarsal claws with one inner denticle (see Figs. 41, 44, 51 in Opitz, 2002 )................................ Onychotillus - Tarsal claws with two inner denticles (see Figs. 27–29 in Opitz, 2002 )........................................... 8 8. Basal denticle of tarsal claw digitiform in shape (see Fig. 28 in Opitz, 2002 )............................ Araeodontia - Basal denticle of tarsal claw triangular in shape (see Figs. 27, 29 in Opitz, 2002 )................................... 9 9. Elytral punctations coarse, extending to apex ( Fig. 3 -B)............................................... Lecontella - Elytral punctations feebly to moderately coarse, not extending to apex ( Fig. 3 -A); if punctations extend to apex, then these are shallow and feebly impressed.......................................................................... 10 10. Diameter of ommatidia narrow ( Figs. 2 -A, 2-B); integument in two colors: testaceous to ferruginous and brunneous to black; eyes weakly emarginate and elongate-ovoid, in lateral view much taller than wide ( Fig. 2 -B); small species, length less than 8 mm ...................................................................................... Cymatoderella - Diameter of ommatidia wide ( Figs. 2 -C, 2-D); integument unicolored to variously colored; eyes weakly to moderately emarginate, in lateral view form variable, ranging from much taller than wide to almost round ( Fig. 2 -D); species 4–40 mm in length..................................................................................... Cymatodera