Ongoing speciation within the Anastrepha fraterculus cryptic species complex: the case of the Andean morphotype

被引:36
作者
Devescovi, Francisco [1 ]
Abraham, Solana [2 ]
Roriz, Alzira K. P. [3 ]
Nolazco, Norma [4 ]
Castaneda, Rosario [5 ]
Tadeo, Eduardo [6 ]
Caceres, Carlos [7 ]
Segura, Diego F. [1 ]
Teresa Vera, M. [8 ]
Joachim-Bravo, Iara [3 ]
Canal, Nelson [5 ]
Rull, Juan [6 ]
机构
[1] INTA Castelar, Inst Genet EA Favret, RA-1686 Buenos Aires, DF, Argentina
[2] PROIMI, Lab Invest Ecoetol Moscas Fruta & Enemigos Nat LI, San Miguel De Tucuman, Argentina
[3] Univ Fed Bahia UFBA, Inst Biol, Depto Biol Geral, BR-40170290 Salvador, BA, Brazil
[4] Lab Sanidad Vegetal SENASA, Lima, Peru
[5] Univ Tolima, Fac Ingn Agron, Grp Invest Moscas Frutas GIMFRUT, Ibague 546, Colombia
[6] Congregac Haya AC, Inst Ecol, PestManagement, Xalapa, Veracruz, Mexico
[7] FAO IAEA Agr & Biotechnol Labs, Entomol Unit, Insect Pest Control Lab, A-24444 Seibersdorf, Austria
[8] UNT, Fac Agron & Zootecnia, Dept Sanidad Vegetal, Catedra Terapeut Vegetal, RA-4000 San Miguel De Tucuman, Argentina
关键词
pre-zygotic isolation; post-zygotic isolation; neotropical; sterile insect technique; SIT; Diptera; Tephritidae; FRUIT-FLY DIPTERA; MATING COMPATIBILITY; HOST-PLANT; GENE FLOW; TEPHRITIDAE; POPULATIONS; WOLBACHIA; PATTERNS;
D O I
10.1111/eea.12219
中图分类号
Q96 [昆虫学];
学科分类号
摘要
The Anastrepha fraterculus (Wiedemann) (Diptera: Tephritidae) cryptic species complex is currently composed of seven taxonomically recognized morphotypes. Both, pre- and post-zygotic isolation has been documented among four of these morphotypes, revealing that in fact they appear to be distinct biological entities. In order to progress in the full delimitation of species within the complex, we examined reproductive isolation between a Colombian population of the Andean morphotype and populations belonging to four other morphotypes spanning from Mexico to Argentina. Flies from the Andean morphotype exhibited strong pre-zygoticmating isolation through temporal partitioning of mating activity. Post-zygotic isolation was observed for crosses of males of all morphotypes and Andeanmorphotype females, yetmost of the F1 hybrid male F1 hybrid female self-crosses showed normal levels of fertility, a finding suggesting a nuclear-cytoplasmic interaction according to previous studies. Overall, the Andean morphotype within the complex also appears to be a distinct biological entity. We discuss the implications of these findings for the understanding of speciation mechanisms in the Neotropical genus Anastrepha.
引用
收藏
页码:238 / 247
页数:10
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