A revision of the genus Eutetrapha Bates (Coleoptera: Cerambycidae: Lamiinae: Saperdini)
Author
Lin, Mei-Ying
Author
Bi, Wen-Xuan
Author
Yang, Xing-Ke
text
Zootaxa
2017
4238
2
151
202
journal article
36357
10.11646/zootaxa.4238.2.1
56cec7e4-4124-47a3-8434-da195642f91d
1175-5326
345192
3A502366-AD51-4FBA-82D1-2E53B4113E36
Key to species of
Eutetrapha
Bates
1 Pronotum without transverse ridges; body mostly covered with scales or pubescence................................2
- Pronotum with fine transverse ridges (
Figs.
156
g–1 &
156g
–2); body not covered with scales or pubescence (except some spots on elytra); body large, metallic green; elytron with four yellowish pubescent spots; legs brown......................................................................................................
E. flavoguttata
Pu & Jin
2 Body not covered with scales, but covered with pubescence....................................................3
- Body covered with metallic green or blue scales............................................................14
3 Body covered with reddish pubescence....................................................................4
- Body covered with grayish, khaki, grass green or light blue pubescence...........................................5
4 Basal half of elytron with four black maculae (not including the humeral angle); apical half of elytron without a large black macula (combination of several small maculae)...............................................
E. elegans
Hayashi
- Basal half of elytron with three black maculae (not including the humeral angle); apical half of elytron sometimes with a large black macula (combination of several small maculae)...........................................
E. cinnabarina
Pu
5 Pronotal disc without maculae........................................................................... 6
- Pronotal disc with maculae..............................................................................7
6 Prothorax with black macula on each side; elytron with one black longitudinal stripe................
E. bicostata
Hayashi
- Prothorax without black macula on each side; elytron with one median transverse black macula and one indistinct black trans- verse vitta in middle of apical half, sometimes with a small spot at basal 1/5......................
E. velutinofasciata
Pic
7 Pronotum without distinct black maculae and elytra trimmed with narrow black stripes decorated with several grayish-white pubescent spots.......................................................................................8
- Pronotum with distinct black maculae and elytra not trimmed with narrow stripes...................................9
8 Elytral black trim has six grayish-white pubescent spots.......................................
E. stigmosa
Pu & Jin
- Elytral black trim has seven grayish-white pubescent spots.......................
E. parastigmosa
Lin & Yang
,
sp. nov.
9 Pronotal disc with four somewhat rounded black spots.......................................................10
- Pronotal disc with only two longitudinal black markings...................................................... 11
10 Elytron with two rows of punctures between the two humeral carinae; elytral black spots smaller and equal to or less than eight....................................................
E. sedecimpunctata
(Motschulsky)
[subspecies not separated]
- Elytron with a row of punctures between the two humeral carinae; elytral black markings larger, irregular in shape and more than eight...........................................................................
E. complexa
Pu & Jin
11 Body covered with brick red brown pubescence; metatarsi with golden brown long hairs.............
E. weni
Huang & Lin
- Body covered with green to blue pubescence; metatarsi without golden brown long hairs............................12
12 Pronotum with one pair of round spots; elytron with five black maculae; body covered with grass green pubescence, somewhat yellowish...........................................................................
E. chlorotica
Pu & Jin
- Pronotum with one pair of elongated maculae; elytron with four large black maculae...............................13
13 Elytral maculae large and subquadrate, all four maculae reaching lateral margin; sides of each abdominal segment with black maculae............................................................................
E. laosensis
Breuning
- Elytral maculae smaller and unregularly shaped, the first and fourth maculae not reaching lateral margin (the fourth sometimes reaching lateral margin); sides of each abdominal segment without black maculae...............
E. shiqianensis
Pu & Jin
14 Elytron with metallic blue scales; pronotal black maculae large, length subequal to width, or length less than twice of width 1 5
- Elytron with metallic green scales; pronotal black maculae smaller, or length subequal to or more than twice of width when large...............................................................................................17
15 Scales stout (length less than twice of width,
Fig. 151
k); pronotal black maculae longer than broad but with length less than twice of width; apical half of elytron without a black arc............................
E. tianmushana
Lin & Bi
,
sp. nov.
- Scales slender (length more than tripe of width,
Fig. 154
k); pronotal black maculae with length subequal to width; apical half of elytron with a black arc..............................................................................16
16 The two black markings on basal half of elytron reaching neither lateral carina nor suture; the black arc on apical half of elytron not reaching suture and the metallic blue spot wider than the width of the arc...........
E. lini
Chou, Chung & Lin
- The two black markings on basal half of elytron both reaching lateral carina and the second one before middle also reaching suture; the black arc on apical half of elytron reaching suture and the metallic blue spot narrower than the width of the arc..................................................................................
E. gui
Lin & Yang
,
sp. nov.
17 Elytral disc has three black markings, including an arc on apical half............................................18
- Elytral disc has four black markings, without an arc on apical half..............................................20
18 Elytral apex rounded; the arc on apical half of elytron thinner, narrower than the width from black arc to suture; pronotal black spots smaller, narrower than the width between the two black spots......................
E. metallescens
(Motschulsky)
- Elytral apex with tooth at the outer angle; the arc on apical half of elytron thicker, wider than the width from black arc to suture; pronotal black spots larger, wider than the width between the two black spots.............................. 19
19 Elytral apex with a longer tooth at the outer angle; elytral maculae larger............
E. chrysochloris chrysochloris
(Bates)
- Elytral apex with a shorter tooth at the outer angle; elytral maculae more or less smaller......................................................................................................
E. chrysochloides chrysargyrea
Bates
20 Elytral apex with tooth at the outer angle; sides of metatarsi with white hairs... part of
E. chrysochloides chrysargyrea
Bates
- Elytral apex rounded; sides of metatarsi with black hairs......................................................21
21 Pronotal black spots larger, wider than the width between two spots; anterior claw of metatarsi of male appendiculate with a tooth.....................................................................
E. tianmushana
Lin & Bi
,
sp. nov.
- Pronotal black spots smaller, narrower than the width between two spots; claws of metatarsi of male simple.......................................................................................
E. shaanxiana
Lin & Yang
,
sp. nov.