Larinus

Gültekin, Levent, 2008, Taxonomic review of the stem-inhabiting trehala-constructing Larinus Dejean, 1821 (Coleoptera: Curculionidae): New species, systematics and ecology, Zootaxa 1714, pp. 1-18: 5

publication ID

10.5281/zenodo.274123

persistent identifier

http://treatment.plazi.org/id/1E1287A0-AA5F-B122-058E-FD7570F6F947

treatment provided by

Plazi

scientific name

Larinus
status

 

Key to species of trehala-constructing Larinus 

1 - Elytra with whitish-grey round spots or stripes ( Figs. 3, 4View FIGURES 1 – 4)........................................................................ 2

- Elytra without whitish-grey round spots or stripes, grayish-white pubescence randomly scattered and only more condensed on some places ( Figs. 1, 2View FIGURES 1 – 4)............................................................................................... 3

2 - Elytra with several separated round whitish spots concentrated on intervals 2–5 and 8–10 ( Fig. 4View FIGURES 1 – 4); rostrum about 0.65 times as long as pronotum in male, some up to 0.80 times in female, deeply bisulcate on dorsal surface at basal half, base and apex of more or less equal width; third segment of fore tarsi about 1.10 times, that of hind tarsi 1.05 times as wide as second; aedeagus parallel-sided, very weakly swollen medially, narrowed at apex ( Fig. 5View FIGURES 5 – 14. 5 – 8). Integument shiny black, body size 10.4–15.5 mm. Host plant: Echinops persicus  . Syria, Iran, Transcaucasus, Turkmenia, Afghanistan................................. L. nidificans  Guibourt

- Elytra with stripes on intervals 2–4 ( Fig. 3View FIGURES 1 – 4); male rostrum only slightly differing in length from that of female (about 0.74 times as long as pronotum in male, 0.76 times in female), gradually and weekly narrowed from base to apex, at apex 0.85 times as wide as at base; third segment of fore tarsi 1.40 times, that of hind tarsi 1.30 times as wide as second; aedeagus parallel-sided, gradually but weakly narrowed from base to apex ( Fig. 6View FIGURES 5 – 14. 5 – 8). Integument matte, body size 8.8–12.7 mm. Host plant: Echinops  sp. (new host record). Distribution: Rhodes, Syria, Iran (new record) Libya, Egypt (new record), Turkey (new record). ................................................................................................................................ L. hedenborgi  Boheman

3 - Pronotum without white spots, clothed with very short whitish pubescence (Figs, 2, 24); aedeagus in dorsal view strongly swollen medially ( Fig. 7View FIGURES 5 – 14. 5 – 8); tergite VIII ( Fig. 10View FIGURES 5 – 14. 5 – 8) somewhat triangular, sternite VIII ( Fig. 13View FIGURES 5 – 14. 5 – 8) tulip-shaped; spermatheca with very sharp apex ( Fig. 14View FIGURES 5 – 14. 5 – 8). Surface of capsule “trehala” roughly tuberculate ( Fig. 23View FIGURES 21 – 26). Host plants: Echinops sphaerocephalus  , E. pungens  and Echinops  sp. (new records). Distribution: Algeria, Libya, Syria, Palestine, Lebanon, Iran, Siberia, Caucasus, Turkey... L. rudicollis  Petri

- Pronotum with white spots, whitish scales concentrating on pronotal sides to constitute three narrow lines on apical half ( Figs. 1View FIGURES 1 – 4, 20View FIGURES 15 – 20); aedeagus in dorsal view not strongly swollen medially ( Fig. 8View FIGURES 5 – 14. 5 – 8); tergite VIII ( Fig. 9View FIGURES 5 – 14. 5 – 8) wide and semicircular, sternite VIII ( Fig. 12View FIGURES 5 – 14. 5 – 8) trapeziform; spermatheca with blunt apex ( Fig. 11View FIGURES 5 – 14. 5 – 8). Surface of capsule “trehala” more or less smooth ( Fig. 18View FIGURES 15 – 20). Host plant Echinops orientalis  . Distribution: northeastern Turkey (Aras Valley) ................................................................................. L. capsulatus  sp. n.