Eriastichus La Salle, 1994
publication ID |
https://dx.doi.org/10.3897/zookeys.1019.60364 |
publication LSID |
lsid:zoobank.org:pub:EE1BAF87-5BD7-4E18-9DF9-29E2C9CC7DAC |
persistent identifier |
https://treatment.plazi.org/id/EE2BFD3E-B985-5D62-8B6A-D3C290344CDA |
treatment provided by |
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scientific name |
Eriastichus La Salle |
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Genus Eriastichus La Salle
Eriastichus cigdemae La Salle 1994: 173-174. Type species Eriastichus cigdemae La Salle.
Diagnosis.
Heavily setose species (Figs 1 View Figures 1–6 , 2 View Figures 1–6 , 5 View Figures 1–6 , 6 View Figures 1–6 ): head (including eyes), pronotum, mesoscutum, coxae, and lateral parts of propodeum (excl. bare median part - hairy only in E. masneri La Salle) ± covered with fine, short setae; malar sulcus curved; base of scape oblique (e.g., Fig. 45 View Figures 41–50 ); F1-F4 of male antenna with scattered setae of varying length (Figs 11 View Figures 11–17 - 58 View Figures 57–60 ), i.e., without a compact whorl of long setae attached close to base - a feature present in many tetrastichine groups; mesoscutellum transverse (Figs 5-6 View Figures 1–6 ); dorsellum large, flat to slightly convex and smooth (Fig. 5 View Figures 1–6 ); fore wing with postmarginal vein 0.3-0.7 × as long as the elongate and slender stigmal vein, wing disc strongly setose, including base (i.e., without speculum) and ventral surface of costal cell (Fig. 4 View Figures 1–6 ), wings ± uniformly but weakly infuscate (Fig. 4 View Figures 1–6 ) but in a few species hyaline; gaster with pleural membrane between Gt1-4 and Gs1-4 inflated (Figs 1-3 View Figures 1–6 , 7 View Figures 7–10 , 8 View Figures 7–10 ); both sexes with a tuft of pale and flattened setae laterally on Gt3-6 (Figs 7-10 View Figures 7–10 ), though most species with tufts only on Gt6.
Key to males
1 | Mesoscutellum with parts lateral to submedian grooves strongly setose (Fig. 6 View Figures 1–6 ) | 2 |
- | Mesoscutellum with parts lateral to submedian grooves with two or three pairs of strong setae (Fig. 5 View Figures 1–6 ) | 3 |
2 | Median propodeum hairy ( La Salle 1994: fig. 30) | E. masneri La Salle (male unknown, this is an anticipated placement; not recorded from Costa Rica) |
- | Median propodeum bare (as in Fig. 5 View Figures 1–6 ) | E. nakos La Salle (male unknown, this is an anticipated placement; not recorded from Costa Rica) |
3 | Scape 1.3-1.4 × as long as ventral plaque (Fig. 50 View Figures 41–50 ); lower face yellowish brown (Fig. 59 View Figures 57–60 ) | E. pallidops sp. nov. |
- | Scape 1.7-8.0 × as long as ventral plaque; colour of lower face variable | 4 |
4 | Scape 5.3-8.0 × as long as ventral plaque | 5 |
- | Scape 1.7-5.0 × as long as ventral plaque | 9 |
5 | Antenna with dorsobasal setae on F1 0.5 × as long as length of F1 (Fig. 15 View Figures 11–17 ), pedicel + flagellum 2.0 × as long as width of head | E. copalensis sp. nov. |
- | Antenna with dorsobasal setae on F1 at least 1.1 × as long as length of F1, pedicel + flagellum at most 1.6 × as long as width of head | 6 |
6 | Scape 8.0 × as long as ventral plaque (Fig. 57 View Figures 57–60 ), and 1.4 × as long as height of eye | E. tonioazofeifai sp. nov. |
- | Scape at most 6.7 × as long as ventral plaque, and at most 0.9 × as long as height of eye | 7 |
7 | Antennal flagellum longer (Fig. 11 View Figures 11–17 ), e.g., F1 2.5 ×, F4 2.8 ×, clava 7.3 × as long as wide | E. acribis sp. nov. |
- | Antennal flagellum shorter, F1 1.5-1.7 ×, F4 2.0 ×, clava 4.8-5.2 × as long as wide | 8 |
8 | Setae on flagellomeres more erect, and dorsobasal setae on F1 1.5 × as long as length of F1 (Fig. 12 View Figures 11–17 ) | E. cluridis sp. nov. |
- | Setae on flagellomeres less erect, and dorsobasal setae on F1 1.1 × as long as length of F1 (Fig. 16 View Figures 11–17 ) | E. coelotis sp. nov. |
9 | Scape 1.3 × as long as height of eye (Fig. 14 View Figures 11–17 ) | E. colenis sp. nov. |
- | Scape at most 1.0 × as long as height of eye | 10 |
10 | Scape dark brown | 11 |
- | Scape yellowish brown to pale brown | 17 |
11 | Dorsobasal setae on F1 0.8-1.1 × as long as length of F1 | 12 |
- | Dorsobasal setae on F1 0.4-0.6 × as long as length of F1 | 14 |
12 | Ventral plaque on scape situated medially (Fig. 37 View Figures 35–40 ) | E. johnlasallei sp. nov. |
- | Ventral plaque on scape situated below the middle (Figs 17 View Figures 11–17 , 20 View Figures 18–27 ) | 13 |
13 | Each flagellomere with few setae, e.g., F1 with six setae, ventral plaque 0.2 × as long as length of scape (Fig. 17 View Figures 11–17 ) | E. daptilis sp. nov. |
- | Each flagellomere with more setae, e.g., F1 with ca. 15 setae, ventral plaque 0.4 × as long as length of scape (Fig. 20 View Figures 18–27 ) | E. dotaensis sp. nov. |
14 | Flagellomeres longer, F1, F3, F4 each 3.7 ×, F2 4.0 × as long as wide (Fig. 18 View Figures 18–27 ) | E. decoris sp. nov. |
- | Flagellomeres shorter, F1 2.0-3.5, F2 2.4-3.5, F3 2.1-3.4, F4 2.3-3.4 × as long as wide | 15 |
15 | Fore and mid legs with coxae and femora yellowish brown | E. denotatis sp. nov. |
- | Fore and mid legs with coxae and femora dark brown | 16 |
16 | Ventral plaque 0.5 × as long as length of scape (Fig. 22 View Figures 18–27 ) | E. diadrys sp. nov. |
- | Ventral plaque 0.3 × as long as length of scape (Fig. 23 View Figures 18–27 ) | E. ebulis sp. nov. |
17 | Dorsobasal setae on F1 ca. 2 × as long as F1 | E. cigdemae La Salle |
- | Dorsobasal setae on F1 at most 1.5 × as long as F1 | 18 |
18 | Dorsobasal setae on F1 at least 1.2 × as long as F1, and setae on flagellomeres erect (Figs 24 View Figures 18–27 , 27 View Figures 18–27 ) | 19 |
- | Dorsobasal setae on F1 at most 1.0 × as long as F1, setae on flagellomeres variable | 20 |
19 | Antenna shorter (Fig. 24 View Figures 18–27 ), pedicel + flagellum 1.1 × as long as width of head | E. egrestis sp. nov. |
- | Antenna longer (Fig. 27 View Figures 18–27 ), pedicel + flagellum 1.6-1.7 × as long as width of head | E. eleagnis sp. nov. |
20 | Scape 4.5-5.0 × as long as ventral plaque | 21 |
- | Scape 1.8-4.2 × as long as ventral plaque | 24 |
21 | Ventral plaque situated medially (Fig. 25 View Figures 18–27 ) | E. ellipsis sp. nov. |
- | Ventral plaque situated below median part of scape | 22 |
22 | Dorsobasal setae on F1 0.6 × as long as length of F1 (Fig. 40 View Figures 35–40 ) | E. johnnoyesi sp. nov. |
- | Dorsobasal setae on F1 0.9-1.0 × as long as length of F1 (Figs 28 View Figures 28–34 , 31 View Figures 28–34 ) | 23 |
23 | Antenna with F1-F4 each 3.3-3.5 × as long as wide, setae on flagellomeres less erect (Fig. 31 View Figures 28–34 ) | E. eminis sp. nov. |
- | Antenna with F1-F4 1.8-2.5 × as long as wide, setae on flagellomeres more erect (Fig. 28 View Figures 28–34 ) | E. facilis sp. nov. |
24 | Scape 1.7-2.0 × as long as ventral plaque | 25 |
- | Scape 2.2-4.2 × as long as ventral plaque | 28 |
25 | Setae on flagellomeres more erect, scape dark brown (Fig. 29 View Figures 28–34 ) | E. fenestris sp. nov. |
- | Setae on flagellomeres less erect, scape yellowish brown to pale brown | 26 |
26 | Antenna with F1-F4 each 2.0 × and clava 4.3 × as long as wide (Fig. 21 View Figures 18–27 ) | E. derilis sp. nov. |
- | Antenna with F1-F4 each 2.7-3.0 × and clava 5.5-6.3 × as long as wide (Figs 13 View Figures 11–17 , 30 View Figures 28–34 ) | 27 |
27 | Flagellomeres with more setae, e.g., F2 with eight setae on dorsal surface (Fig. 13 View Figures 11–17 ) | E. aphritis sp. nov. |
- | Flagellomeres with less setae, e.g., F2 with four setae on dorsal surface (Fig. 30 View Figures 28–34 ) | E. follis sp. nov. |
28 | Frons and legs yellowish brown | E. sannionis sp. nov. |
- | Frons partly to completely dark brown, legs yellowish brown to dark brown | 29 |
29 | Coxae and femora predominantly to completely dark brown | 30 |
- | Coxae and femora ± yellowish brown, some coxae or hind femur can be partly dark brown | 33 |
30 | Setae on flagellomeres erect (Figs 34 View Figures 28–34 , 58 View Figures 57–60 ) | 31 |
- | Setae on flagellomeres less erect than in alternate (Figs 33 View Figures 28–34 , 56 View Figures 51–56 ) | 32 |
31 | Scape narrow at base (Fig. 34 View Figures 28–34 ) | E. galeatis sp. nov. |
- | Scape wide at base (Fig. 58 View Figures 57–60 ) | E. vestis sp. nov. |
32 | Flagellomeres with few setae, e.g., F2 with three setae on dorsal surface (Fig. 56 View Figures 51–56 ) | E. velaminis sp. nov. |
- | Flagellomeres with more setae, e.g., F2 with eight setae on dorsal surface (Fig. 33 View Figures 28–34 ) | E. geratis sp. nov. |
33 | Scape 3.5-4.2 × as long as ventral plaque | 34 |
- | Scape 2.2-3.1 × as long as ventral plaque | 37 |
34 | Dorsobasal setae on F1 0.5-0.6 × as long as F1 (Figs 32 View Figures 28–34 , 36 View Figures 35–40 ) | 35 |
- | Dorsobasal setae on F1 0.8-1.0 × as long as F1 (Figs 39 View Figures 35–40 , 41 View Figures 41–50 ) | 36 |
35 | Flagellomeres with more setae, e.g., F2 with eight setae on dorsal surface (Fig. 32 View Figures 28–34 ) | E. glanis sp. nov. |
- | Flagellomeres with fewer setae, e.g., F2 with five setae on dorsal surface (Fig. 36 View Figures 35–40 ) | E. maniatis sp. nov. |
36 | Setae on flagellomeres more erect (Fig. 39 View Figures 35–40 ) | E. neonis sp. nov. |
- | Setae on flagellomeres less erect (Fig. 41 View Figures 41–50 ) | E. nexilis sp. nov. |
37 | Ventral plaque situated below middle of scape | 38 |
- | Ventral plaque situated in the middle, or slightly above the middle | 44 |
38 | Scape 2.2-2.5 × as long as ventral plaque | 39 |
- | Scape 2.8-3.1 × as long as ventral plaque | 40 |
39 | Dorsobasal setae on F1 1.0 × as long as F1 (Fig. 44 View Figures 41–50 ) | E. novalis sp. nov. |
- | Dorsobasal setae on F1 0.5-0.6 × as long as F1 (Fig. 42 View Figures 41–50 ) | E. oasis sp. nov. |
40 | F2-F4 each 2.3 × as long as wide (Fig. 26 View Figures 18–27 ) | E. drupis sp. nov. |
- | F2-F4 each at least 3.0 × as long as wide | 41 |
41 | Flagellomeres longer, e.g., F2 3.6-3.8 × as long as wide (Figs 38 View Figures 35–40 , 43 View Figures 41–50 ) | 42 |
- | Flagellomeres shorter, F2 3.0-3.2 × as long as wide | 43 |
42 | Dorsobasal setae on F1 0.9 × as long as F1 (Fig. 43 View Figures 41–50 ) | E. ononis sp. nov. |
- | Dorsobasal setae on F1 0.6 × as long as F1 (Fig. 38 View Figures 35–40 ) | E. nebulis sp. nov. |
43 | Dorsobasal setae on F1 0.5 × as long as F1, scape dark brown (Fig. 46 View Figures 41–50 ) | E. parabilis sp. nov. |
- | Dorsobasal setae on F1 0.9 × as long as F1, scape yellowish brown (Fig. 49 View Figures 41–50 ) | E. orestis sp. nov. |
44 | Dorsobasal setae on F1 0.5 × as long as F1 and pedicel + flagellum 1.9 × as long as width of head | 45 |
- | Dorsobasal setae on F1 at least 0.6 × as long as F1 and/or pedicel + flagellum at most 1.7 × as long as width of head | 46 |
45 | Setae on flagellomeres more erect (Fig. 47 View Figures 41–50 ) | E. rivalis sp. nov. |
- | Setae on flagellomeres less erect (Fig. 45 View Figures 41–50 ) | E. nugalis sp. nov. |
46 | Dorsobasal setae on F1 0.4 × as long as F1 (Fig. 35 View Figures 35–40 ) and pedicel + flagellum 1.7 × as long as width of head | E. hilaris sp. nov. |
- | Dorsobasal setae on F1 0.6-1.0 × as long as F1, if dorsobasal setae on F1 is only 0.6 × as long as F1, then pedicel + flagellum are 1.5 × as long as width of head | 47 |
47 | Antennal flagellum long and slender (Fig. 54 View Figures 51–56 ), e.g., F4 3.4 × and clava 7.6 × as long as wide | E. renodis sp. nov. |
- | F4 2.2-2.8 × and clava 4.8-6.3 × as long as wide | 48 |
48 | Dorsobasal setae on F1-F4 1.0 × as long as funicular segment it is attached to (Fig. 52 View Figures 51–56 ) | E. scalaris sp. nov. |
- | Dorsobasal setae on F1-F4 0.6-0.8 × as long as funicular segment it is attached to | 49 |
49 | Antennal flagellum more slender (Fig. 53 View Figures 51–56 ), e.g., F3 3.0 × and clava 6.3 × as long as wide | E. taraxis sp. nov. |
- | F3 2.3-2.6 × and clava 4.8-5.8 × as long as wide | 50 |
50 | Pedicel + flagellum 1.9 × as long as width of head | E. sodalis sp. nov. |
- | Pedicel + flagellum 1.5-1.7 × as long as width of head | E. tendrilis sp. nov. |
Species treatments
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
Kingdom |
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Class |
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Order |
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Family |
Eriastichus La Salle
Hansson, Christer 2021 |
Eriastichus cigdemae
La Salle 1994 |
Eriastichus cigdemae
La Salle 1994 |