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Table 1 Experimental crosses performed between P. coreodes and P. tertius

From: Trends in evolution of the Rhodniini tribe (Hemiptera, Triatominae): experimental crosses between Psammolestes tertius Lent & Jurberg, 1965 and P. coreodes Bergroth, 1911 and analysis of the reproductive isolating mechanisms

Crossing experiments Number of eggs Egg fertility Mortality F1 Mortality F2
C1a C2a C3a Total
P. coreodes ♀ × P. tertius 3 24 27 54 43% 91.3%
P. tertius ♀ × P. coreodes 40 23 54 117 26% 93.3%
Hybrid ♀ × Hybrid ♂b 0
Hybrid ♀ × Hybrid ♂c 14 57% 100%
Control experiments C1 C2 C3 Total    
P. coreodes ♀ × P. coreodes 61 10 90 161 68%
P. tertius ♀ × P. tertius 52 48 54 154 77%
  1. a C1, C2 and C3 refer to replicates of experimental crosses
  2. bHybrids of the cross between P. tertius ♀ x P. coreodes
  3. c Hybrids of the cross between P. coreodes ♀ x P. tertius