Ecpaglocoris ditomeus Yamada & Yamamoto, 2023

Yamada, Kazutaka, Yamamoto, Shuhei & Takahashi, Yui, 2023, A new remarkable cimicoid genus and species (Hemiptera, Heteroptera, Cimicomorpha) from mid-Cretaceous Burmese amber, with implications for its aberrant male genitalia, Fossil Record 26 (1), pp. 27-38 : 27

publication ID

https://dx.doi.org/10.3897/fr.26.e86784

publication LSID

lsid:zoobank.org:pub:6A3587A7-9E57-40AC-B9FD-753EDDBA73C5

persistent identifier

https://treatment.plazi.org/id/77E88787-3A77-4B12-8D6E-2DFA4D6719D2

taxon LSID

lsid:zoobank.org:act:77E88787-3A77-4B12-8D6E-2DFA4D6719D2

treatment provided by

by Pensoft

scientific name

Ecpaglocoris ditomeus Yamada & Yamamoto
status

sp. nov.

Ecpaglocoris ditomeus Yamada & Yamamoto sp. nov.

Figs 1 View Figure 1 , 2 View Figure 2 , 3 View Figure 3 , 4 View Figure 4

Type material.

Holotype: male, a well-preserved adult in Kachin amber, with the registered number AMNH Bu-SY33 (deposited in AMNH).

Etymology.

The species epithet is named for the Greek di (= two, double) and tomeus (= knife, cutter), referring to the slender, sickle-shaped left and right parameres in male genitalia.

Type locality and horizon.

Noije Bum Hill, Hukawng Valley, Kachin State, northern Myanmar; mid-Cretaceous (Cenomanian-Albian).

Diagnosis.

As in generic diagnosis.

Description.

Male. Body 3.1 mm long, pale to dark brown (Fig. 1 View Figure 1 ), sparsely covered with procumbent setae.

Head (Figs 1 View Figure 1 , 3A View Figure 3 ) uniformly dark brown, 0.35 mm in length excluding neck, 0.39 mm in width across eyes; eye length 0.15 mm, width 0.08 mm, in dorsal view. Antennae (Figs 1 View Figure 1 , 2A View Figure 2 , 3B View Figure 3 ) dark brown, segments I and IV tinged pale brown; lengths of segments I-IV (mm): 0.18, 0.38, 0.28 and 0.28. Labium (Figs 1D View Figure 1 , 2B, C View Figure 2 ) pale brown; lengths of segments II-IV (mm): 0.15, 0.54 and 0.27.

Pronotum (Figs 1A, C View Figure 1 , 3A View Figure 3 ) uniformly dark brown; anterior width 0.25 mm, approximately 0.65 times as wide as mesal pronotal length; basal width 0.74 mm, approximately three times as wide as anterior width. Scutellum (Fig. 1A, B View Figure 1 ) somewhat paler than pronotum. Hemelytra (Figs 1A, B View Figure 1 , 3D View Figure 3 ) generally pale brown, but cuneus apically tinged with dark brown; embolial margin 1.06 mm, about three times as long as cuneal margin; embolium approximately 0.6 times as wide as maximum width of endocorium; cuneal margin 0.34 mm; membrane semi-transparent. Venter of thorax (Fig. 1C View Figure 1 ) uniformly dark brown. Legs (Figs 1B-D View Figure 1 , 2G View Figure 2 , 3G-I View Figure 3 ) generally pale brown, femora tinged dark brown; lengths of femur, tibia and tarsus of fore leg (in mm): 0.6, 0.5 and 0.28; middle leg: 0.5, 0.44 and 0.25; hind leg: 0.8, 0.8 and 0.46, respectively.

Abdomen (Figs 1C, D View Figure 1 , 2D View Figure 2 ) brown to dark brown.

Female. Unknown.