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LeConte 1876:201. A. morulus, n. sp.
California, San Mateo and Gilroy; Mr. Crotch.
A small black species of the same size and general form (2.2 mm.; .09 inch), as the preceding, but with the beak longer and more punctated, the head distinclty punctured, the fronal stria shorter. The prothroax is equally strongly punctured, but more rounded on the sides. The elytral striae are well impresed, strongly and closely punctured, and the interspaces flat and rugose. The pubeschece is very fine and sparse, a little more distinct beeath. The antennae are dark-testaceous with the club piceous; the thighs are scarcely clavate, and hardly perceptibly toothed.
Dietz 1891:212. A. morulus Lec.--[descripiton]
[p. 213] Hab.--California.
Only two female specimens in Dr. Horn's collection are before me. Bears a striking resemblance to Epimechus mimicus, described further on, from which, indeed, it cannot be distinguished, except by the toothed claws.
Since writing the above I have received a specimen from Dr. Horn, which has entirely the coloration of a typical A. suturalis, the elytra being bright rufous with the excpetion of a triangular basal space; it is easily recognized, however, by the form of trhe prothorax and the less shining elytra.
Burke and Gates 1972:1222. Anthonomus morulus LeConte. A. morulus is known only from California. Although it is most closely related to A. haematopus, adults, larve, and pupae of the 2 species are reasonably easy to distinghish. The pupa of A. morulus was described by Burke (1968). The larva was sescribed by Ahmad and Burke (1972).
A paragraph on biology follows.
Burke 1984:265. Anthonomus morulus LeConte 1876:201. Lectype: Female [Cala./Type 1968/J. L. Leconte/ A morulus Lec.]; in MCZ.
paralectotype: Male, same data as lectotype; in MCZ.
The total number of specimens in the original series is not known.
Burke 1968:40-41. description of pupa. [p. 41] Pupae of Anthonomus morulus more closely resemble those of A. haematopus than any other species studied. In addition to the characters given in the key for the separation of the two, the pupa of morulus is smaller and slightly more roust than haematopus. Adults of the two species are quite easily separated.
This is apparently the first host record for morulus. The record is of particular interest as haematopus has heretofore been the only member of the genus known to develop in sawfly galls. Both species arre now known to develop in galls caused by Pontania pacifica on the leaves of Salix lasiolepis in California, while haematopus is more widespread in the United States.
Ahmad and Burke 1972:50. description of the larva. host and discussion as in pupal paper.
Hatch 1971:347. A. morulus Lec. "From Tacoma, w Wn., Angell, Jr. N.Y. Ent. Soc. 1, 1893:14 recorded morulus LeC., which Dietz describes as having the elytral striae moderately punctate, the intervals flat, rugose, and without lustre; all the femora minutely dentate, the male not described; 2.6-2.8 mm. to anterior thoracic margin.