. British journal of entomology and natural history. Natural history; Entomology. BR. J. ENT. NAT. HIST., 12: 1999. :^^ Luffia ferchaultella ^^ Luffia lapidella Fig. 1. The European distribution of Luffia ferchaiilu'lla and L. lapidella (adapted from Narbei- Hofstetter, 1964). Seller Type: 1) There should be no differences in structure between the two forms. 2) The geographic distributions will probably be identical. 3) Parthenogenetic females are likely to breed with males of the parent stock. Tutt Type: 1) Structural variation between the two forms will almost certainly be discontinuous. 2)
. British journal of entomology and natural history. Natural history; Entomology. BR. J. ENT. NAT. HIST., 12: 1999. :^^ Luffia ferchaultella ^^ Luffia lapidella Fig. 1. The European distribution of Luffia ferchaiilu'lla and L. lapidella (adapted from Narbei- Hofstetter, 1964). Seller Type: 1) There should be no differences in structure between the two forms. 2) The geographic distributions will probably be identical. 3) Parthenogenetic females are likely to breed with males of the parent stock. Tutt Type: 1) Structural variation between the two forms will almost certainly be discontinuous. 2) The geographic distributions will probably be different. 3) Parthenogenetic females may not be able to mate with males of the other form. Henderickx (1987) describes finding pupal exuviae and winged male adults on the trunks of two oak trees near Mol, Belgium, in 1980 and 1986, among a parthogenetic population of L. ferchaultella. He compared their genitalia with those of male L. lapidella from Switzerland and Spain and found minor differences in the degree of chitination. However, he was unable to decide if the specimens from Mol represented L. lapidella or male examples o^ Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Entomological and Natural History Society. [London] : British Entomological and Natural History Society
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