Dolichoderus
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publication ID |
https://doi.org/ 10.11646/zootaxa.3716.2.1 |
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publication LSID |
lsid:zoobank.org:pub:E76C890A-DC27-4B8A-90CD-41D10682E8FA |
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DOI |
https://doi.org/10.5281/zenodo.6146807 |
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persistent identifier |
https://treatment.plazi.org/id/039C0778-2833-FF85-FF74-F756E4DD8F36 |
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treatment provided by |
Plazi |
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scientific name |
Dolichoderus |
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Key to Australian Dolichoderus View in CoL species based on workers
1. Propodeum with elongate spines (Fig. 2).................................................................. 2
-. Propodeum lacking spines ( Fig. 1 View FIGURE 1 )....................................................................... 13
2. Pronotum with elongate spines ( Fig. 5 View FIGURE 5 ) ( doriae View in CoL group)........................................................ 3
-. Pronotum rounded, lacking spines (Fig. 2) ( scabridus View in CoL group).................................................. 8
3. Pronotal spines directed laterally and dorsally ( Fig. 10 View FIGURE 10 ).............................................. extensispinus View in CoL
-. Pronotal spines directed anteriorly and approximately parallel to the longitudinal axis of the body ( Fig. 7 View FIGURE 7 )............... 4
4. Pronotal spines long, in dorsal view a line drawn between their tips lies anterior of the pronotal collar ( Fig. 7 View FIGURE 7 )...... dentatus View in CoL
-. Pronotal spines short, in dorsal view a line drawn between their tips intersects the pronotal collar ( Fig. 8 View FIGURE 8 )............... 5
5. First gastral tergite with abundant short erect hairs.......................................................... 6
-. First gastral tergite generally lacking erect hairs, but occasionally with a few very short, scattered hairs present........... 7
6. Legs yellow, strongly contrasting with black body; propodeal spines and sometimes antennae dark red to red-brown, lighter in colour than nearby body regions ( Fig. 8 View FIGURE 8 ).............................................................. doriae View in CoL
-. Legs dark brown to black, generally similar in colour to the body or at most slightly lighter in colour than body; tips of propo- deal spines and antennae very dark brown to black and similar in colour to nearby body regions ( Fig. 5 View FIGURE 5 )............ clarki View in CoL
7. First gastral tergite with abundant appressed very fine pubescence ( Fig. 9 View FIGURE 9 )..................................... etus
-. First gastral tergite with a few scattered, very small appressed hairs ( Fig. 12 View FIGURE 12 )................................. gordoni
8. In front view, propodeal spines directed upward at angle of greater than 60° to horizontal plane (may be almost vertical), the angle between them approximately 45° (Fig. 2).................................................. angusticornis View in CoL
-. In front viewed, propodeal spines directed upward at angle of 45° or less to horizontal plane, the angle between them at least 90° ( Fig. 21 View FIGURE 21 )........................................................................................ 9
9. Dorsum of petiolar node angular; when viewed from the front base of propodeal spines narrow, the spines forming a “V” with a narrowly rounded angle between their bases; legs long ( Fig. 21 View FIGURE 21 ) (Western Australia).............................. 10
-. Dorsum of petiolar node broad, weakly convex to weakly concave; when viewed from the front, base of propodeal spines broad, the spines forming a “U” with a broad concavity connecting their bases (sometimes this region flat or weakly convex); legs short ( Fig. 14 View FIGURE 14 ) (South Australia and eastward)......................................................... 12
10. Legs entirely light red or orange ( Fig. 27 View FIGURE 27 )............................................................. ypsilon View in CoL
-. Femora dark reddish-brown or black, tibiae varying from dark brown to light red.................................. 11
11. Legs bicoloured, dark femora contrasting with more lightly coloured tibiae ( Fig. 21 View FIGURE 21 )....................... rufotibialis
-. Legs uniformly coloured dark red-brown to reddish-black ( Fig. 16 View FIGURE 16 ).......................................... niger
12. Legs dark red-brown, at most only slightly lighter in colour than the body ( Fig. 14 View FIGURE 14 )............................ inferus
-. Legs yellowish-red, distinctly lighter than the colour of the body ( Fig. 23 View FIGURE 23 ).................................. scabridus View in CoL
13. Posterior face of propodeum weakly concave, separated from the dorsal face by at most a weakly defined angle; sculpturing on head minimal, either essentially absent or consisting of very fine reticulations ( Fig. 3 View FIGURE 3 ) ( australis View in CoL group)............... 14
-. Posterior face of propodeum strongly concave, separated from the dorsal face by a distinct carina; sculpturing on head consist- ing of large, shallow to moderately deep fovea ( Fig. 24 View FIGURE 24 ) ( scrobiculatus View in CoL group).................................... 18
14. Head yellowish-red ( Fig. 22 View FIGURE 22 ).......................................................................... 15
-. Head dark reddish-brown to black ( Fig. 3 View FIGURE 3 )................................................................ 17
15. Dorsum of propodeum falling away posteriorly so that the angle is below the level of the metanotal groove ( Fig. 19 View FIGURE 19 ).. parvus View in CoL
-. Dorsum of propodeum evenly convex, the angle at approximately the same level as the metanotal groove ( Fig. 15 View FIGURE 15 )...... 16
16. Head and dorsum of pronotum finely reticulate, the surfaces matte ( Fig. 15 View FIGURE 15 ).................................. kathae
-. Head and dorsum of pronotum smooth, the surfaces shiny ( Fig. 22 View FIGURE 22 )........................................ rutilus
17. First tergite of gaster with elongate erect hairs but lacking appressed pubescence ( Fig. 3 View FIGURE 3 )...................... australis View in CoL
-. First tergite of gaster with both elongate erect hairs and fine, silvery appressed pubescence ( Fig. 13 View FIGURE 13 )............. goudiei View in CoL
18. Pubescence on first gastral tergite abundant, the individual hairs overlapping ( Fig. 26 View FIGURE 26 )............................ 19
-. Pubescence on first gastral tergite sparse, the individual hairs generally not overlapping, or hairs absent ( Fig. 20 View FIGURE 20 )........ 21
19. Dorsum of pronotum essentially smooth, the sculpturing at most very fine, the surface shiny; metanotal groove relatively deep ( Fig. 6 View FIGURE 6 ) (SA, southern WA).......................................................................... clusor View in CoL
-. Dorsum of pronotum heavily sculptured, the surface dull; metanotal groove relatively weekly developed ( Fig. 24 View FIGURE 24 ) (north-east- ern NSW, Qld)...................................................................................... 20
20. Gaster similar in colour to body (both dark brown to black) ( Fig. 24 View FIGURE 24 ).................................. scrobiculatus View in CoL
-. Gaster much lighter in colour compared to body (body dark brown to black, gaster dull yellow) ( Fig. 26 View FIGURE 26 ).......... turneri View in CoL
21. Tibiae lacking erect hairs ( Fig. 25 View FIGURE 25 )................................................................. semiorbis
-. Tibiae with erect or suberect hairs ( Fig. 1 View FIGURE 1 )................................................................. 22
22. Dorsum of propodeum elongate (longer than posterior face) and weakly convex, the carina separating dorsal and posterior faces produced as sharp shelf; pale markings present near lower margin of eye ( Fig. 1 View FIGURE 1 ).................... albamaculus
-. Dorsum of propodeum shorter (at most approximately the same length as the posterior face) and strongly convex, the carina separating dorsal and posterior faces a narrow carina; without pale markings near lower margin of eyes ( Fig. 20 View FIGURE 20 )........ 23
23. Dorsum of propodeum highly arched and often with flat or even weakly concave sections; posterior face of propodeum deeply concave and often nearly semicircular; in dorsal view the pronotum with strongly developed shoulders, the area between the shoulders weakly convex to weakly concave ( Fig. 20 View FIGURE 20 )................................................... reflexus View in CoL
- Dorsum of propodeum more weakly and evenly convex, occasionally with a flat or nearly flat section posteriorly; posterior face of propodeum less deeply concave and much less semi-circular; in dorsal view the pronotum with only weakly defined shoulders, the area between the shoulders more strongly convex to flat ( Fig. 18 View FIGURE 18 ).................................. 24
24. Gaster yellowish red and lighter in colour than mesosoma ( Fig. 18 View FIGURE 18 )........................................ omicron
-. Gaster dark brown to black, darker than mesosoma when mesosoma is lightly coloured (similar to mesosoma in colour when entire body dark brown to black)....................................................................... 25
25. Head and pronotum weakly and superficially areolate, the overall sculpturing pattern indistinct ( Fig. 4 View FIGURE 4 )........... canopus
-. Dorsum of head and pronotum with large but shallow and closely spaced foveae, the lateral pronotum distinctly striate, the overall sculpturing pattern very distinct ( Fig. 17 View FIGURE 17 )........................................................... 26
26. Head reddish to reddish-brown and lighter in colour than dark brown to black gaster; mesosoma and gaster with both erect hairs and scattered, appressed pubescence ( Fig. 17 View FIGURE 17 )................................................. nigricornis View in CoL
-. Head dark brown to black and similar in colour to gaster; mesosoma and gaster with erect hairs but little or no appressed pubescence ( Fig. 11 View FIGURE 11 )............................................................................ formosus View in CoL
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.
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