Blastobasis
Creators: name: Adamski, David
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Lepidoptera
Blastobasidae
Blastobasis

description: Key to the Species of Blastobasis of Costa Rica
1. Male............................................................................................... 2
- Female............................................................................................ 37
2. Gnathos a narrow and bandlike (Figs. 77, 95, 111).......................................................... 3
- Gnathos platelike (Figs. 65, 67, 69, 71, 73, 75, 79, 81, 83, 85, 87, 89, 91, 93, 97, 99, 101, 103, 105, 107, 109, 113, 115, 117, 119, 121, 123, 125, 127, 129, 131, 133. 135)............................................................... 5
3. Sockets of tergal setae extending beyond midlength of tegumen (Fig. 111); sclerite of phallus apically recurrent (Fig. 112)....................................................................................... Blastobasis custodis
- Sockets of tergal setae not extending beyond midlength of tegumen (Figs. 77, 95); sclerite of phallus sigmoid-shaped or nearly so (Figs. 78, 96)..................................................................................... 4
4. Sockets of tergal setae extending to midlength of tegumen (Fig. 77); anellus broadly rounded apically (Fig. 78).................................................................................................. Blastobasis deae
- Sockets of tergal setae not extending to midlength of tegumen (Fig. 95); anellus narrowly rounded apically (Fig. 96)............................................................................................. Blastobasis thyone
5. Median part of gnathos not pigmented (Figs. 109, 123, 133)................................................... 6
- Median part of gnathos pigmented (Figs. 65, 67, 69, 71, 73, 75, 79, 81, 83, 85, 87, 89, 91, 93, 97, 99, 101, 103, 105, 107, 113, 115, 117, 119, 121, 125, 127, 129, 131, 135)............................................................... 8
6. Digital process of dorsal part of valva recurved apically (Fig. 123).............................. Blastobasis phaedra
- Digital process of dorsal part of valva not recurved apically (Figs. 109, 133)..................................... 7
7. Dorsal strut present (Fig. 133); sclerite of phallus acutely curved at 2/3 (Fig. 134).................. Blastobasis dicionis
- Dorsal strut absent (Fig. 109); sclerite of phallus sigmoid-shaped (Fig. 110)....................... Blastobasis rotullae
8. Midwidth of pigmented part of gnathos shorter than midwidth of uncus (Figs. 67, 73, 83, 91, 93, 99, 101, 113, 115, 121, 125, 129)................................................................................................ 9
- Midwidth of pigmented part of gnathos equal to or longer than midwidth of uncus (Figs. 65, 69, 71, 75, 79, 81, 85, 87, 89, 97, 103, 105, 107, 117, 119, 127, 131, 135)................................................................... 20
9. Length of pigmented part of gnathos at least 3X longer than width (Figs. 99, 113, 212, 129)......................... 10
- Length of pigmented part of gnathos less than 3X width (Figs. 67, 73, 83, 91, 93, 101, 115, 125)..................... 13
10. Area beneath costa of dorsal part of valva sparsely microtrichiate (Fig. 129); sclerite of phallus acutely curved from midlength (Fig. 130)............................................................................. Blastobasis rotae
- Area beneath costa of dorsal part of valva densely microtrichiate (Figs. 99, 113, 121); sclerite of phallus not acutely curved from midlength (Figs. 100, 114, 122)..................................................................... 11
11. Anellus broadly rounded apically (Fig. 114)............................................ Blastobasis deliciolarum
- Anellus not broadly rounded apically (Figs. 100, 122)...................................................... 12
12. Base of sclerite of phallus straight; anellus broadly notched apically (Fig. 100)...................... Blastobasis echus
- Base of sclerite of phallus curved; anellus narrowly notched apically (Fig. 122)....................... Blastobasis nivis
13. Sockets of tergal setae extending beyond midlength of tegumen (Figs. 91, 93, 101, 115)........................... 14
- Sockets of tergal setae not extending beyond midlength of tegumen (Figs. 67, 73, 83, 125)......................... 17
14. Base of sclerite of phallus straight; anellus broadly rounded apically (Fig. 92)...................... Blastobasis orithyia
- Base of sclerite of phallus curved; anellus not broadly rounded apically (Figs. 94, 102, 116)........................ 15
15. Digitate process of valva lobelike (Fig. 115); basal width of anellus 3X width of apex (Fig. 116)....... Blastobasis abollae
- Digitate process of valva not lobelike (Figs. 93, 101); basal width of anellus less than 3X of apical width (Figs. 74, 102).. 16
16. Phallus shorter than length of valva (Figs. 93); apex of anellus rounded (Fig. 94)..................... Blastobasis babae
- Phallus longer than length of valva (Figs. 101); apex of anellus truncate (Fig. 102)..................... Blastobasis litis
17. Dorsal strut of tegumen present (Figs. 83, 125)............................................................ 18
- Dorsal strut of tegumen absent (Figs. 67, 73)............................................................. 19
18. Uncus 3-tiered (Fig. 125); sclerite of phallus sigmoid-shaped (Fig. 126)............................ Blastobasis aedes
- Uncus not 3-tiered (Fig. 83); sclerite of phallus curved from 2/3 Fig. 84).......................... Blastobasis xiphiae
19. Ridge of proximal flange of valva produced from base of ventral margin (Fig. 67); anellus much wider apically than basally (Fig. 68)............................................................................... Blastobasis lygdi
- Ridge of proximal flange of valva produced from midlength of basal margin (Fig. 73); anellus slightly wider apically than at base (Fig. 74)......................................................................... Blastobasis caetrae
20. Width of pigmented part of gnathos longer than its length (Figs. 85, 97, 105, 127)................................ 21
- Width of pigmented part of gnathos equal to or shorter than its length (Figs. 65, 69, 71, 75, 79, 81, 87, 89, 103, 107, 117, 119, 131, 135).......................................................................................... 24
21. Sockets of tergal setae extending beyond midlength of tegumen (Figs. 85, 105, 127).............................. 22
- Sockets of tergal setae not extending beyond midlength of tegumen (Fig. 97)....................... Blastobasis usurae
22. Pigmented part of gnathos 2X wider than long (Fig. 127); anellus with a pair of recurved apical barblike processes (Fig. 128)...................................................................................... Blastobasis tapetae
- Pigmented part of anellus not 2X wider than long (Figs. 85, 105)............................................. 23
23. Costa of valva wider than microtrichiate region beneath (Fig. 105); apex of anellus truncate (Fig. 6)........ Blastobasis fax
- Costa of valva not wider than microtrichiate region beneath (Fig. 85); apex of anellus rounded (Fig. 86).................................................................................................... Blastobasis graminea
24. Sockets of tergal setae extending beyond midlength of tegumen (Figs. 65, 69, 75, 81)............................. 25
- Sockets of tergal setae not extending beyond midlength of tegumen (Figs. 71, 79, 87, 89, 103, 107, 117, 119, 131, 135).. 28
25. Lateral margin of proximal flange of valva narrowly rounded (Fig. 69); anellus apically wider than basally (Fig. 70).............................................................................................. Blastobasis dapis
- Lateral margin of proximal flange of valva broadly rounded (Figs. 65, 75, 81)................................... 26
26. Dorsal strut of tegumen present (Fig. 65); anellus slightly constricted basally (Fig. 66)............... Blastobasis paludis
- Dorsal strut of tegumen absent (Figs. 75, 81); anellus not constricted basally (Figs. 76, 82)......................... 27
27. Base of bidentate margin of gnathos protuberant (Fig. 75); base of sclerite of phallus acutely curved (Fig. 76)................................................................................................. Blastobasis furtivus
- Base of bidentate margin of gnathos not protuberant (Fig. 81); base of sclerite of phallus slightly curved (Fig. 82)............................................................................................... Blastobasis iuanae
28. Phallus acutely curved at 2/3 (Figs. 132, 136)............................................................. 29
- Phallus not acutely curved at 2/3 (Figs. 72, 80, 88, 90, 104, 108, 118, 120)...................................... 30
29. Pigmented part of gnathos wider than long (Fig. 131); base of sclerite of phallus straight (Fig. 132)...... Blastobasis manto
- Pigmented part of gnathos longer than wide (Fig. 135); base of sclerite of phallus curved (Fig. 136)........ Blastobasis beo
30. Base of sclerite of phallus straight (Figs. 88, 90, 118)....................................................... 31
- Base of sclerite of phallus curved (Figs. 72, 80, 104, 108, 120)............................................... 33
31. Anellus about 1/2 length of phallus; anellus apically narrowed (Fig. 118)............................. Blastobasis lex
- Anellus about 1/3 length of phallus; anellus narrowed apically (Figs. 88, 90).................................... 32
32. Proximal flange of valva 2X wider apically than basally (Fig. 89)................................ Blastobasis achaea
- Proximal flange of valva only slightly wider apically than basally (Fig. 87)........................ Blastobasis neniae
33. Base of phallus bulbous (Figs. 72, 120).................................................................. 34
- Base of phallus not bulbous (Figs. 80, 104, 108)........................................................... 35
34. Basal part of ventral margin of proximal flange greatly cleft (Fig. 71); anellus wider apically than basally (Fig. 72).............................................................................................. Blastobasis balucis
- Basal part of ventral margin of proximal flange slightly cleft (Fig. 119); anellus narrower apically than basally (Fig. 120)........................................................................................... Blastobasis vesta
35. Uncus 4X longer than wide, parallelsided; proximal flange densely microtrichiate (Fig. 79)............. Blastobasis erae
- Uncus less than 3X longer than wide, narrowed from base (Figs. 103, 107); proximal flange not densely microtrichiate (Figs. 103, 107).......................................................................................... 36
36. Ventrolateral margin of proximal flange serrate (Fig. 107); anellus notched apically (Fig. 108)...... Blastobasis coffeaella
- Ventrolateral margin of proximal flange setose (Fig. 103); anellus broadly rounded apically (Fig. 104)... Blastobasis chanes
37. Seventh tergum with a darkly pigmented median longitudinal streak (Figs. 253, 254, 256–258)...................... 38
- Seventh tergum without a pigmented streak (Figs. 252, 255, 259, 260)......................................... 42
38. Posterior margin of seventh sternum emarginate laterally (Figs. 253–254, 256).................................. 39
- Posterior margin of seventh sternum not emarginate laterally (Figs. 257–258)................................... 41
39. Internal platelets within anterior 2/3 of ductus bursae (Fig. 253)................................. Blastobasis caetrae
- Internal platelets within less than anterior 1/2 of ductus bursae (Figs. 254, 256).................................. 40
40. Internal platelets within anterior 1/3 of ductus bursae (Fig. 256)................................. Blastobasis iuanae
- Internal platelets within anterior 1/4 of ductus bursae (Fig. 254)................................ Blastobasis furtivus
41. Antrum wider than long; signum spinate (Fig. 257)......................................... Blastobasis graminea
- Antrum not present; signum short, conical (Fig. 258)........................................ Blastobasis coffeaella
42. Posterior margin of seventh segment mesially emarginate (Figs. 259–260)...................................... 43
- Posterior margin of seventh sternum laterally emarginate (Figs. 252, 255)...................................... 44
43. Inception of ductus seminalis slightly anterior to posterior margin of seventh sternum (Fig. 259)......... Blastobasis vesta
- Inception of ductus seminalis midway between posterior and anterior margin of seventh sternum (Fig. 260).................................................................................................... Blastobasis dicionis
44. Antrum wider than long; signum spinate (Fig. 252)........................................... Blastobasis balucis
- Antrum not present; signum short, conical (Fig. 255)............................................ Blastobasis deae
description: Published as part of Adamski, David, 2013, Review of the Blastobasinae of Costa Rica (Lepidoptera: Gelechioidea: Blastobasidae), pp. 1-223 in Zootaxa 3618 (1) on pages 18-20, DOI: 10.11646/zootaxa.3618.1.1, http://zenodo.org/record/247396