Phrynocepha Baly 1861
Creators: name: Gilbert, Arthur J.
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Chrysomelidae
Phrynocepha

description: Key to the described species of Phrynocepha from Central and North America   
 1. Size large, 7.2 to 11 mm; procoxae conical; basal margin of pronotum strongly sinuate; “jowl” not obvious; aedeagus as in Fig. 62, 69.......................................................  P. pulchella Baly    
 — Size smaller, 3.5 to 7.5 mm; procoxae globose; basal margin of pronotum weakly sinuate to straight; “jowl” obvious............................................................................................................... 2   
 2(1). Mesosternum orange; “jowl” carinate (Fig. 9).............................................................................. 3   
 — Mesosternum dark brown or black; “jowl” without carina (Fig. 7)............................................. 7   
 3(2). Male with pro- and mesotibiae, from ventral perspective, abruptly expanded in the apical half (Fig. 55); female with pro- and mesotibiae expanded more than metatibiae.............................................................................................................................................  P. laevicollis Jacoby    
 — Male with pro- and mesotibiae gradually enlarged, not abruptly expanded; female with pro- and mesotibiae not expanded more than metatibiae....................................................................... 4   
 4(3). Size smaller, 3.9 to 4.4 mm; prosternal intercoxal process grooved, without solid hatchet-shaped knob posterior to procoxae; male unknown..............................  P. australis Gilbert sp. nov.    
 — Size larger, 4.8 to 7.5 mm; male with prosternal intercoxal process produced into distinct hatchet-shaped knob posterior to procoxae............................................................................... 5   
 5(4). Pronotum roughly sculptured, with numerous coalescing punctures (Fig. 47); aedeagus as in Fig. 56, 64, 75.............................................................................................  P. capitata Jacoby    
 — Pronotum smooth, reticulate not roughly sculptured, with punctures distinct or indistinct but not coalescing.............................................................................................................................. 6   
 6(5). Pronotum dull, not obviously punctate (Fig. 52); occurs at higher elevations (900 meters) in the state of Chiapas, Mexico; aedeagus as in Fig. 60, 71...  P. pseudocapitata Gilbert sp. nov.    
 — Pronotum shining, obviously punctate (Fig. 49); occurs primarily at low elevations in the Mexican states of Colima, Jalisco and Nayarit; aedeagus as in Fig. 58, 66, 76.............................................................................................................................................  P. kendrae Gilbert sp. nov.    
 7(2). Size very small, 3.5 mm to 4.0 mm.............................................. P. natalieae Gilbert sp. nov.   
 — Size larger, 4.6 to 7.0 mm.............................................................................................................. 8   
 8(7). Pronotum impunctate (Fig. 54); aedeagus as in Fig. 63, 70; occurs in the Mexican states of Chihuahua and Durango; aedeagus as in Fig. 63, 70......................  P. punctulata Pallister    
 — Pronotum with scattered coarse punctures or uniformly, moderately punctate........................ 9   
 9(8). Pronotum with scattered coarse punctures (Fig. 51); prefrontal clypeal ridge of male shallowly emarginate (Fig. 44); occurs in the Mexican state of Morelos; aedeagus as in Fig. 59, 67, 77.....................................................................................................  P. marciae Gilbert sp. nov.    
 — Pronotum uniformly punctate (Fig. 48, 53); male with prefrontal clypeal ridge deeply emarginate (Fig. 43, 45)............................................................................................................................... 10   
 10(9). Genal ratio about 1.4x; aedeagus as in Fig. 61, 68, 72-73............  P. pueblae Gilbert sp. nov.    
 — Genal ratio about 1.7x; aedeagus as in Fig. 57, 65, 74....................................  P. deyrollei Baly
description: Published as part of Gilbert, Arthur J., 2011, A review and clarification of the alticine genera Hemiphrynus Horn 1889 and Phrynocepha Baly 1861 (Coleoptera: Chrysomelidae: Galerucinae: Alticini), pp. 1-57 in Insecta Mundi 2011 (200) on page 27, DOI: 10.5281/zenodo.5161403