Hemiphrynus, Horn, 1889

Gilbert, Arthur J., 2011, A review and clarification of the alticine genera Hemiphrynus Horn 1889 and Phrynocepha Baly 1861 (Coleoptera: Chrysomelidae: Galerucinae: Alticini), Insecta Mundi 2011 (200), pp. 1-57 : 4-5

publication ID

https://doi.org/ 10.5281/zenodo.5161403

DOI

https://doi.org/10.5281/zenodo.5164992

persistent identifier

https://treatment.plazi.org/id/03F787A4-FFB6-FFE0-F9D4-0DE5FA7AFDCE

treatment provided by

Felipe

scientific name

Hemiphrynus
status

 

Key to the described species of Hemiphrynus View in CoL

1. Elytra shining, not reticulate, distinctly punctate ( Fig. 3 View Figures 1-4 ); length to width ratio of fourth antennomere in either the male or the female greater than 5.0x.............................................. 2

— Elytra reticulate, at best vaguely punctate ( Fig. 1-2, 4 View Figures 1-4 ); length to width ratio of fourth antennomere in either the male or the female less than 5.0x.................................................... 3

2(1). Each elytron with forked costa behind humerus ( Fig. 3 View Figures 1-4 ), with distinct sulcus behind humerus between costa; mesosternum black; first tarsomere of male protarsi enlarged, but not wider than third tarsomere; aedeagus as in Fig. 29 View Figures 29-31 , 36............................ H View Figures 32-38 . sulcatipennis Jacoby

— Each elytron with five vague to distinct costae; mesosternum yellow-orange; first tarsomere of male protarsi enlarged, wider than third tarsomere............................ H. tenuicornis Jacoby

3(1). Pronotum flat, without obvious depressions, ridges or callosities, widest basally, lateral margins tapering to anterior margin (Fig. 19); sternum entirely orange; aedeagus as in Fig. 25 View Figures 25-28 , 32 View Figures 32-38 ..... ............................................................................................................ H. barri Gilbert sp. nov.

— Pronotum slightly convex, with obvious depressions, ridges or callosities, widest at middle; sternum not entirely orange; mesosternum orange to black.................................................................... 4

4(3). First tarsomere of male prothoracic leg not wider than third tarsomere; aedeagus as in Fig. 28 View Figures 25-28 , 35........................................................................................................ H View Figures 32-38 . intermedius (Jacoby) First tarsomere of male prothoracic leg enlarged, as wide as or wider than third tarsomere...................................................................................................................................... 5

5(4). Size larger, 4.6 to 6.5 mm long; both sexes with stout antennomeres (fourth antennomere approximately 2.4x longer than wide); aedeagus as in Fig. 27 View Figures 25-28 , 34...... H View Figures 32-38 . elongatus (Jacoby)

— Size smaller, 3.5 to 5.6 mm long; antennae slender in both sexes, more so in the female (fourth antennomere 3.7x - 4.3x longer than wide) than male (2.8x – 3.6x longer than wide)............ 6

6(5). Size generally smaller, 3.5 to 4.7 mm long; antennomeres 2-3 subequal in length; elytra impunctate; aedeagus as in Fig. 30 View Figures 29-31 , 37.............................................. H View Figures 32-38 . smithi Gilbert sp. nov.

— Size generally larger, 4.2 to 5.6 mm long; antennomere 3 distinctly longer than 2; elytra indistinctly punctate........................................................................................................................................ 7

7(6). Vertex with “v-shaped” ridge; postclypeus abruptly elevated into anterolateral ridge; pronotal posterolateral angles acute, distinct; aedeagus as in Fig. 31 View Figures 29-31 , 38 View Figures 32-38 ................................................ .................................................................................................... H. sydneyae Gilbert sp. nov.

— Vertex without “v-shaped” ridge; postclypeus not elevated into anterolateral ridge; pronotal posterolateral angles indistinct to absent; aedeagus as in Fig. 26 View Figures 25-28 , 33 View Figures 32-38 ....................................... ................................................................................................. H. corrugatus Gilbert sp. nov.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Chrysomelidae

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