Longitarsus Berthold 1827
Creators: name: Prathapan, K. D.
name: Viraktamath, C. A.
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Chrysomelidae
Longitarsus

description: LONGITARSUS PICEUS (KIMOTO) COMB. NOV.   
 Tegyrius piceus Kimoto, 2001: 66–67; 2005: 98.   
 KEY TO THE SPECIES OF TEGYRIUS   
 1. Elytra straw brown, with the anterior third piceous: the piceous colour extending backwards along the lateral and sutural margins (Fig. 1)........................................................................................  T. agasthyai sp. nov.  Elytra unicolorous: black, brown, or red...............................................................................................2 2. Pronotum black, elytra red–brown...................................................................................................... 3 Pronotum and elytra concolorous........................................................................................................ 4 3. Antennae yellow; apex of aedeagus deeply emarginate in ventral view (Fig. 28).......................................................................................................................................... T. bicolor (Medvedev, 2001) comb. nov. Antennae black with last and basal antennomeres tainted brown; apex of aedeagus smoothly rounded in ventral view (Fig. 8)........................................................................ T. antennatus (Medvedev, 2001) comb. nov. 4. Mesotibia sexually dimorphic: distinctly curved and distally enlarged in males (Fig. 79); straight in females (Fig. 80). Feed on Piper mullesua Buch., with globose female spikes. Restricted to Nilgiri Hills.....................5 Mesotibia not sexually dimorphic; feed on Piperaceae with elongate spikes; not occurring in Nilgiri Hills (except  T. keralaensis comb. nov. , which occurs throughout southern India)...................................................... 6 5. General colour brown; apex of aedeagus in ventral view broad, with a denticle (Fig. 92); receptacle of spermatheca neither narrowed towards duct nor broadened towards pump (Fig. 96)......................  T. pucetibialis sp. nov.  General colour black; apex of aedeagus in ventral view bifid (Fig. 83); receptacle of spermatheca distinctly narrowed towards duct and broadened towards pump (Fig. 87)................................  T. nigrotibialis sp. nov.  6. Pronotum without antebasal transverse impression; posterior margin of last visible ventrite of females with a deep circular incision, bearing an acute process in the middle (Fig. 17)................................  T. anupama sp. nov.  Pronotum with antebasal transverse impression; posterior margin of last visible ventrite of females complete..7 7. Punctures in antebasal transverse impression not stronger than those on the rest of the pronotum; first metatarsomere sexually dimorphic, with ventrolateral side thickly adorned with short capitate setae or bud-like sensillae in males, and thin hair-like setae in females; lobe in the middle of the last visible ventrite of males with concave posterior margin (Fig. 27, 33, 71); restricted to Sri Lanka............................................................8 Punctures in the antebasal transverse impression stronger than those on the rest of the pronotum; first metatarsomere not sexually dimorphic, ventral side with thin hair-like setae in both sexes; lobe in the middle of the last visible ventrite of males with straight or convex posterior margin (Figs 42, 53, 82, 100); restricted to India..............................................................................................................................................9 8. Subparallel ridges on first abdominal ventrite nearly parallel with each other (Fig. 70); aedeagus in ventral view with ridge along lateral margins (Fig. 72); outer side of spermathecal receptacle concave (Fig. 76)...................................................................................................................................... T. metallicus Jacoby, 1887 Subparallel ridges on first abdominal ventrite converge distally and fuse together (Fig. 32); aedeagus in ventral view without ridge along lateral margins (Fig. 34); outer side of spermathecal receptacle convex (Fig. 38)...................................................................................................................................  T. buddhai sp. nov.  9. Antennae yellow; aedeagus in ventral view without wedge-like preapical ridge (Fig. 54)........................................................................................................................... T. keralaensis (Doeberl, 2003) comb. nov. At least three or four distal antennomeres piceous; aedeagus in ventral view with wedge-like preapical ridge (Figs 43, 101, 110).......................................................................................................................... 10 10. Apex of aedeagus preapically constricted in ventral view (Fig. 101)..............................  T. radhikae sp. nov.  Apex of aedeagus preapically widened in ventral view (Figs 43, 110)....................................................... 11 11. Antennae extend beyond half of the elytra over the pronotum; basal six to eight antennomeres, and fore and middle legs yellow brown; lateral angulation of apex of aedeagus in ventral view not prominent (Fig. 110)....................................................................................................................................  T. tippui sp. nov.  Antennae extend up to half of the elytra over the pronotum; basal antennomeres, and fore and middle legs dark brown to piceous; lateral angulation of apex of aedeagus in ventral view prominent (Fig. 43).........................................................................................................................................................  T. dalei sp. nov.    
 Remarks: This species lacks all the salient characters of Tegyrius, especially those of the head and the subparallel ridges on the first abdominal ventrite. The fact that the first metatarsomere is half as long as the metatibia, a feature common to both Longitarsus and Tegyrius, was probably the source of the temptation for placing it in Tegyrius. Undoubtedly, this is a member of the cosmopolitan Longitarsus, as it has all the characters of the genus, including the serrulations on the dorsolateral edge of the metatibia.   
 Type material examined: Paratype. Labels: (1) (E. Nepal) Gupa Pokali (2900 m a.s.l.) 27°17′N, 87°30′E, Gurza (2100 m a.s.l.) 27°18′N, 87°33′E; (2) 23 June 1972, H. Makihara leg. Kyushu Univ. Col.; (3) Paratype; (4) Tegyrius piceus Kimoto sp. nov., det. S. Kimoto, 19; (5) examined by K. D. Prathapan 2007 (KU).
description: Published as part of Prathapan, K. D. & Viraktamath, C. A., 2009, Revision of Tegyrius (Coleoptera: Chrysomelidae: Galerucinae: Alticini), with descriptions of eight new species, pp. 326-358 in Zoological Journal of the Linnean Society 157 (2) on pages 356-357, DOI: 10.1111/j.1096-3642.2008.00510.x, http://zenodo.org/record/5443607