170 Years of “Lock-and-Key”: Genital Morphology and Reproductive Isolation

Table 1

Species hybridizations that display lock-and-key reproductive isolation.

Order	Species hybridized	Lock-and-key mechanism	Reference(s)
Lepidoptera	Malacosoma franconica and M. neustria	Structural	Standfuss [15]
	Deilephia porcellus and D. elpenor	Structural	Federley [16]
	Erebia nivalis and E. cassioides	Sensory	Lorkovic [27]
Araneae	Misumenops rothi and M. gabrielensis	Structural	Schick [17]
	Misumenops lepidus and M. californicus	Structural	Schick [17]
Coleoptera	Carabus iwawakianus and C. maiyasanus	Structural	Sota and Kubota [18]
	Macrodactylus costulatus, M. sylphis, and M. sericinus	Sensory	Eberhard [3]
Polydesmida	Parafontaria tonominea sp. A and sp. B	Structural	Tanabe and Sota [21]
Zygoptera	Sympecma, Lestes (7 species total)	Sensory/structural	Loibl [31]
	Ischnura elegans with Enallagma, Platycnemis, Sympecma, Lestes (various species)	Sensory/structural	Krieger and Krieger-Loibl [32]
	Argia, Enallagma, Ischnura, Telebasis (10 species total)	Sensory/structural	Paulson [33]
Diptera	Drosophila santomea and D. yakuba	Structural	Kamimura and Mitsumoto [24]
	Drosophila mauritiana, D. sechellia, and D. simulans	Sensory	Robertson [42]
			Cobb et al. [41]
			Coyne [37]
			Price et al. [40]
			Jagadeeshan and Singh [38]