NO. 2 OPINIONS 78 TO 81 25 



or cited herewith. As the Secretary sees the points at issue, they 

 involve four generic names {Cimex, Acanthia, Clinocoris, and Klino- 

 philos) and may be summarized as follows : 



I. Cimcxl^mn., 1758a: Two species {Icctttlarius and bidcns) 

 have been selected as type. 



A. In the original publication the type is not determined 

 under iVrt. 30 — 



(a) Original designation, (b) Use of typiciis or 

 typus, (c) Monotypy, or (d) Absolute tautonymy. 



B. Neither species thus far designated as type (lectidarius 

 and bidenr) is excluded under Art. 30(e). 



C. No complication arises under Art. 30(f), renaming 

 of genus. 



D. In case of doubt, Recommendations (h to t), the fol- 

 lowing points are to be held in mind under Art. 30 : 



1758: C. lectularius {Ciuiex of Pliney) is on the 

 preferred list under (h) the Linnaean rule, (n) best de- 

 scribed, best figured, best known, and easily obtained 

 species, (p) parasitic on man, (q) probably actually 

 studied by author, (t) page precedence. 



1775 • C. lectularius would not be on the preferred 

 list because (k) elimination by : Fabricius, 1775,693; 

 1787, 280; 1794, 67; 1803, 112. — Cuvier, 1798. — Schel- 

 lenberg, 1800, 15. — Turton, 1802. — Fallen. 1818, 19; 

 1829.— Burmeister, 1837a, 596. — Amyot & Serville, 

 1843.— Douglass & Scott, 1868, 278.— Claus, 1885a.— 

 Leunis, 1886a. — R, Blanchard, 1890a, 473. — Railliet, 

 1895a, 820. — Kirkaldy, 1899; 1904. 465; 1905. — 

 Renter, 1908, 27. — And many others. 



A. bidens seems to be on the preferred list under 

 (k) because it remained in Cimex after A. lectu- 

 laria was eliminated (1775) and (o) De Candolle's 

 rule. 



Apparently neither A. Icctularia nor A. bidens 

 has preference, one over the other, under (i) Vir- 

 tual tautonymy, (j) non-exotic, (i) sexually ma- 

 ture vs. larvae, (m) name communis, etc., (s) 

 Linnaeus did not declare in favor of the first species 

 rule. 

 1803 : C. bidens is on the preferred list under (r) as 

 chef de file by Fabricius, 1803, 155. 



