Apocephalus analis

Brown, Brian V., 2014, Revision of the Apocephalus analis group of ant-decapitating flies (Diptera: Phoridae), Zootaxa 3857 (4), pp. 551-570 : 568-569

publication ID

https://doi.org/ 10.11646/zootaxa.3857.4.5

publication LSID

lsid:zoobank.org:pub:6033EEF1-FB14-4173-AD89-12D8DCDBCF7E

DOI

https://doi.org/10.5281/zenodo.6130853

persistent identifier

https://treatment.plazi.org/id/03F03F4E-F52A-0E1E-60F6-FC09FA75FBF4

treatment provided by

Plazi

scientific name

Apocephalus analis
status

 

Key to Apocephalus analis View in CoL group species (females only).

1. Anepisternum with pair of large setae ( Fig. 54)............................................. A. amenti View in CoL new species

- Anepisternum without large setae......................................................................... 2

2 Venter of segment six with comblike row of closely-placed setae ( Figs. 10–12 View FIGURES 9 – 16 )..................................... 3

- Venter of segment six lacking comblike row of setae.......................................................... 5

3. Hind tibia with two setal palisades ( Fig. 3 View FIGURES 1 – 4 )............................................... A. bilineatus View in CoL new species

- Hind tibia with one setal palisade......................................................................... 4

4. Segment six ventrally with hooklike spines, in addition to dense setae ( Fig. 11 View FIGURES 9 – 16 )................... A. comatus Borgmeier View in CoL

- Segment six ventrally with dense setae and few straight, long, thick setae (Fig. 112)............ A. rectilineatus new species

5. Venter of segment 6 with pair of short, thick, thornlike setae ( Figs. 14–16 View FIGURES 9 – 16 )........................................ 6

- Venter of segment 6 lacking pair of short, thick, thornlike setae, but often with longer, thinner setae.................... 8

6. Thornlike setae close together, near midline ( Fig. 16 View FIGURES 9 – 16 ).................................... A. paracanthus View in CoL new species

- Thornlike setae farther apart ( Figs. 14, 15 View FIGURES 9 – 16 ).................................................................. 7

7. Thornlike setae nearly in straight line with rectangular shiny area; with only short setulae along posterior margin of sternite 6 laterally....................................................................... A. euryacanthus View in CoL new species

- Thornlike setae higher above shiny area ( Fig. 12 View FIGURES 9 – 16 ); with longer setulae along posterior margin of sternite 6 laterally....................................................................................... A. mexacanthus View in CoL new species

8. Abdominal segments 3–6 each with long ventral setae; posterior margin of segment 6 with one incomplete row of ventral setae ( Fig. 14 View FIGURES 9 – 16 )........................................................................ A. criniventris View in CoL new species

- Abdominal segments 3–5 lacking long setae, although shorter setae often present; posterior setation of venter of segment 6 var- ious ( Fig. 15 View FIGURES 9 – 16 )......................................................................................... 9

9. Venter of segment six with patch of dark shiny sclerotization around bases of largest medial setae; ventral setae relatively short ( Figs 9, 13 View FIGURES 9 – 16 )....................................................................... A. holdenae View in CoL new species

- Venter of segment six without shiny sclerotization; length of setae various, often long.............................. 10

10. Medial pair of posterior row of setae on venter of segment 6 close together (as in Fig. 27 View FIGURES 25 – 34 ); ventral apex of oviscape only slightly curved ventrally near apex (as in Fig. 53 View FIGURES 52 – 53 )........................................................... 11

- Medial pair of setae separated by prominent gap relative to rest of row, or row widely spaced; ventral apex of oviscape in most species strongly and evenly curved ventrally ( Fig. 52 View FIGURES 52 – 53 )........................................................ 13

11. Posterior row of setae on venter of segment six with medial pair slightly anterior to, and clearly shorter and smaller than, main row ( Fig. 28 View FIGURES 25 – 34 )....................................................................... A. camarae View in CoL new species

- Medial pair as large or larger than rest of row.............................................................. 12

12. Dorsal apex of oviscape flat ( Fig. 37 View FIGURES 35 – 42 ); abdominal segment 6 lacking large lateral seta ( Figs. 37–38 View FIGURES 35 – 42 ).................................................................................................. A. pittadearaujoi View in CoL new species

- Dorsal apex of oviscape swollen relative to lateral areas ( Fig. 26 View FIGURES 25 – 34 ); large lateral seta present on segment 6 ( Figs. 25, 27 View FIGURES 25 – 34 )........................................................................................... A. analis Borgmeier View in CoL

13. Oviscape with relatively short thick pair of posterolateral setae that are much thicker than posterolateral setae of dorsum of

segment 6; setae of posterior row of segment 6 also relatively short, thick (Figs. 23–24)............ A. amorimi View in CoL new species - Oviscape with relatively longer, thinner pair of posterolateral setae; setae of posterior row of segment 6 relatively longer, thinner................................................................................................ 14

14. Posterior row of setae on venter of segment 6 evenly spaced; setae on venter of intersegment 6–7 nearly as large as those of posterior row of segment 6 (Figs. 20, 36).................................................................. 15

- Posterior row of setae on venter of segment 6 with pronounced gap; intersegmental setae, if present, at most one half length of posterior row........................................................................................ 16

15. Ventral apex of oviscape broad, only slightly downturned (as in Fig. 53 View FIGURES 52 – 53 ); ventral setae of segment 6 brown, relatively thin, evenly spaced; oviscape with long lateral seta at midlength ( Figs. 35–36 View FIGURES 35 – 42 ); dorsum of oviscape with pair of long setae at apical one third; anterior arms of stylet rounded, with medial projection ( Fig. 50 View FIGURES 43 – 51 )........................ A. papei View in CoL new species

- Ventral apex of oviscape evenly narrowed, pointed, strongly curved ventrally; venter of segment 6 with four thicker setae; oviscape without long lateral seta at midlength (Figs. 19–20); dorsum of oviscape with shorter setae at apical one third; anterior arms of stylet more parallel sided, with medial projection ( Fig. 44 View FIGURES 43 – 51 )........................... A.amati View in CoL new species

16. Dorsum of oviscape with pair of long dorsolateral setae at apical one third, plus smaller but still elongate setae to apex (Fig. 17)........................................................................ A. amacayacuensis View in CoL new species

- Dorsum of oviscape with short dorsolateral seta only........................................................ 17

17. Posterior setae on venter of segment 6 with at least a few more anterior, smaller setae ( Figs. 34 View FIGURES 25 – 34 , 39 View FIGURES 35 – 42 ); medial gap large; oviscape strongly downturned at dorsal apex, appearing truncate....................................................... 18

- Posterior setae on venter of segment 6 in single row, without immediately more anterior, smaller setae ( Figs. 33 View FIGURES 25 – 34 , 40, 41 View FIGURES 35 – 42 ); oviscape straighter at dorsal apex, appearing broadly pointed..................................................... 19

18. Setae of posterior row relatively equal in size, with medial pair not greatly differentiated in thickness or length; medial gap extremely large; middle pair of more anterior setae not enlarged, not appearing to mirror middle pair of posterior row ( Fig. 39 View FIGURES 35 – 42 )................................................................................. A. riccardae View in CoL new species

- Setae of posterior row relatively unequal in size, with medial two pairs greatly longer and thicker than others (especially middle pair); medial gap more subtle; middle pair of more anterior setae enlarged, appearing to mirror middle pair of posterior row ( Fig. 34 View FIGURES 25 – 34 ).......................................................................... A. marinhoi View in CoL new species

19. Venter of segment 6 with posterior row of 10 setae ( Fig. 40 View FIGURES 35 – 42 ); stylet with thin, bowed arms ( Fig. 51 View FIGURES 43 – 51 ).................................................................................................... A. strazhnikae View in CoL new species

- Posterior row with 6–8 setae; anterior arms of stylet thicker, not bowed.......................................... 20

20. Posterior row of setae on venter of segment 6 larger, thicker, about one half length of oviscape ( Figs. 41–42 View FIGURES 35 – 42 )............................................................................................. A. xavierfilhoi View in CoL new species

- Posterior row of setae on venter of segment 6 smaller, thinner, about one quarter length of oviscape ( Fig. 33 View FIGURES 25 – 34 ).............................................................................................. A. gonzalezae View in CoL new species

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Phoridae

Genus

Apocephalus

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