Crossing experiments detect partial reproductive isolation among populations of Triatoma longipennis (Hemiptera: Reduviidae: Triatominae)

被引：0
作者：
Martinez-Ibarra, Jose Alejandro [1 ]
Nogueda-Torres, Benjamin [2 ]
Meraz-Medina, Tzintli [1 ,3 ]
del Rosal, Gumercindo Goicochea [4 ]
机构：
[1] Univ Guadalajara, Ctr Univ Sur, Dept Ciencias Nat, Lab Entomol Med, Ave Enrique Arreola Silva 883, Ciudad Guzman 49000, Jalisco, Mexico
[2] Inst Politecn Nacl, Escuela Nacl Ciencias Biol, Becario COFAA, Ciudad De Mexico, Mexico
[3] Univ Guadalajara, Ctr Univ Sur, Dept Ciencias Basicas, Ave Enrique Arreola Silva 883, Ciudad Guzman 49000, Jalisco, Mexico
[4] Nat Univ Buenos Aires, Fac Ciencias Exactas, Buenos Aires, DF, Argentina
来源：
JOURNAL OF MEDICAL ENTOMOLOGY | 2023年 / 60卷 / 05期
关键词：
Chagas disease vector; reproductive isolation; cryptic species complex; Mexico; CHAGAS-DISEASE; VECTORS;
D O I：
10.1093/jme/tjad087
中图分类号：
Q96 [昆虫学];
学科分类号：
摘要：
Chagas disease is an important vector-borne disease endemic in Mexico. Of the 33 triatomine species found in Mexico, Triatoma longipennis (Usinger) is considered among the most important because of its infection indices, capacity for transmitting Trypanosoma cruzi (Chagas), and its distribution areas. Here, we describe the results of a reproductive isolation analysis among 5 populations of T. longipennis collected from representative areas of Mexico. Fertility and segregation of morphological characteristics were examined in two generations of hybrids. The percentage of pairs with (fertile) offspring varied from 30% to 100% in the parental crosses, while these values varied from 0 to 100% in the intersite crosses. Our results indicate partial reproductive isolation among these populations. These findings shed light on the potential presence of a cryptic species complex of T. longipennis in Mexico.
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收藏
页码：998 / 1007
页数：10
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